Home / 8,445.38-11,654.62-4,720.10

Finding the Fourth Proportional to 8,445.38, 11,654.62 and 4,720.10

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Solution

The fourth proportional to 8,445.38, 11,654.62 and 4,720.10 is: 6,513.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,445.38 : 11,654.62 = 4,720.10 : x
  2. Step 2: Convert to fraction form
    8,445.38/11,654.62 = 4,720.10/x
  3. Step 3: Cross multiply
    8,445.38x = 11,654.62 × 4,720.10
  4. Step 4: Simplify right side
    8,445.38x = 55,010,901.79
  5. Step 5: Solve for x
    x = 55,010,901.79/8,445.38
  6. Step 6: Final answer
    x = 6,513.73

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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.