Home / 8,301.71-12,439.58-5,217.23

Finding the Fourth Proportional to 8,301.71, 12,439.58 and 5,217.23

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Solution

The fourth proportional to 8,301.71, 12,439.58 and 5,217.23 is: 7,817.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,301.71 : 12,439.58 = 5,217.23 : x
  2. Step 2: Convert to fraction form
    8,301.71/12,439.58 = 5,217.23/x
  3. Step 3: Cross multiply
    8,301.71x = 12,439.58 × 5,217.23
  4. Step 4: Simplify right side
    8,301.71x = 64,900,149.96
  5. Step 5: Solve for x
    x = 64,900,149.96/8,301.71
  6. Step 6: Final answer
    x = 7,817.68

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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.