Home / 4,812.99-7,220.39-1,525.20

Finding the Fourth Proportional to 4,812.99, 7,220.39 and 1,525.20

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Solution

The fourth proportional to 4,812.99, 7,220.39 and 1,525.20 is: 2,288.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,812.99 : 7,220.39 = 1,525.20 : x
  2. Step 2: Convert to fraction form
    4,812.99/7,220.39 = 1,525.20/x
  3. Step 3: Cross multiply
    4,812.99x = 7,220.39 × 1,525.20
  4. Step 4: Simplify right side
    4,812.99x = 11,012,531.20
  5. Step 5: Solve for x
    x = 11,012,531.20/4,812.99
  6. Step 6: Final answer
    x = 2,288.09

Related Problems

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Half scale
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Double scale
Find fourth proportional to 4,813.99, 7,221.89 and 1,526.20
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.