Home / 8,417.28-12,626.44-3,487.31

Finding the Fourth Proportional to 8,417.28, 12,626.44 and 3,487.31

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Solution

The fourth proportional to 8,417.28, 12,626.44 and 3,487.31 is: 5,231.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,417.28 : 12,626.44 = 3,487.31 : x
  2. Step 2: Convert to fraction form
    8,417.28/12,626.44 = 3,487.31/x
  3. Step 3: Cross multiply
    8,417.28x = 12,626.44 × 3,487.31
  4. Step 4: Simplify right side
    8,417.28x = 44,032,310.48
  5. Step 5: Solve for x
    x = 44,032,310.48/8,417.28
  6. Step 6: Final answer
    x = 5,231.18

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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.