Home / 4,813.75-7,220.63-1,165.75

Finding the Fourth Proportional to 4,813.75, 7,220.63 and 1,165.75

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Solution

The fourth proportional to 4,813.75, 7,220.63 and 1,165.75 is: 1,748.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,813.75 : 7,220.63 = 1,165.75 : x
  2. Step 2: Convert to fraction form
    4,813.75/7,220.63 = 1,165.75/x
  3. Step 3: Cross multiply
    4,813.75x = 7,220.63 × 1,165.75
  4. Step 4: Simplify right side
    4,813.75x = 8,417,449.42
  5. Step 5: Solve for x
    x = 8,417,449.42/4,813.75
  6. Step 6: Final answer
    x = 1,748.63

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Half scale
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Double scale
Find fourth proportional to 4,814.75, 7,222.13 and 1,166.75
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.