Home / 5,120.01-7,681.02-2,346.75

Finding the Fourth Proportional to 5,120.01, 7,681.02 and 2,346.75

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Solution

The fourth proportional to 5,120.01, 7,681.02 and 2,346.75 is: 3,520.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,120.01 : 7,681.02 = 2,346.75 : x
  2. Step 2: Convert to fraction form
    5,120.01/7,681.02 = 2,346.75/x
  3. Step 3: Cross multiply
    5,120.01x = 7,681.02 × 2,346.75
  4. Step 4: Simplify right side
    5,120.01x = 18,025,433.69
  5. Step 5: Solve for x
    x = 18,025,433.69/5,120.01
  6. Step 6: Final answer
    x = 3,520.59

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Half scale
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Double scale
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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.