Home / 8,744.10-12,062.22-5,387.64

Finding the Fourth Proportional to 8,744.10, 12,062.22 and 5,387.64

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Solution

The fourth proportional to 8,744.10, 12,062.22 and 5,387.64 is: 7,432.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,744.10 : 12,062.22 = 5,387.64 : x
  2. Step 2: Convert to fraction form
    8,744.10/12,062.22 = 5,387.64/x
  3. Step 3: Cross multiply
    8,744.10x = 12,062.22 × 5,387.64
  4. Step 4: Simplify right side
    8,744.10x = 64,986,898.96
  5. Step 5: Solve for x
    x = 64,986,898.96/8,744.10
  6. Step 6: Final answer
    x = 7,432.09

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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.