Home / 8,701.56-12,008.55-5,343.71

Finding the Fourth Proportional to 8,701.56, 12,008.55 and 5,343.71

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Solution

The fourth proportional to 8,701.56, 12,008.55 and 5,343.71 is: 7,374.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,701.56 : 12,008.55 = 5,343.71 : x
  2. Step 2: Convert to fraction form
    8,701.56/12,008.55 = 5,343.71/x
  3. Step 3: Cross multiply
    8,701.56x = 12,008.55 × 5,343.71
  4. Step 4: Simplify right side
    8,701.56x = 64,170,148.68
  5. Step 5: Solve for x
    x = 64,170,148.68/8,701.56
  6. Step 6: Final answer
    x = 7,374.56

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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.