Home / 5,160.11-7,740.16-4,247.03

Finding the Fourth Proportional to 5,160.11, 7,740.16 and 4,247.03

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Solution

The fourth proportional to 5,160.11, 7,740.16 and 4,247.03 is: 6,370.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,160.11 : 7,740.16 = 4,247.03 : x
  2. Step 2: Convert to fraction form
    5,160.11/7,740.16 = 4,247.03/x
  3. Step 3: Cross multiply
    5,160.11x = 7,740.16 × 4,247.03
  4. Step 4: Simplify right side
    5,160.11x = 32,872,700.46
  5. Step 5: Solve for x
    x = 32,872,700.46/5,160.11
  6. Step 6: Final answer
    x = 6,370.55

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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.