Home / 7,449.36-10,280.13-4,654.86

Finding the Fourth Proportional to 7,449.36, 10,280.13 and 4,654.86

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Solution

The fourth proportional to 7,449.36, 10,280.13 and 4,654.86 is: 6,423.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,449.36 : 10,280.13 = 4,654.86 : x
  2. Step 2: Convert to fraction form
    7,449.36/10,280.13 = 4,654.86/x
  3. Step 3: Cross multiply
    7,449.36x = 10,280.13 × 4,654.86
  4. Step 4: Simplify right side
    7,449.36x = 47,852,565.93
  5. Step 5: Solve for x
    x = 47,852,565.93/7,449.36
  6. Step 6: Final answer
    x = 6,423.72

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.