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Finding the Fourth Proportional to 8,370.53, 12,555.78 and 3,750.29

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Solution

The fourth proportional to 8,370.53, 12,555.78 and 3,750.29 is: 5,625.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,370.53 : 12,555.78 = 3,750.29 : x
  2. Step 2: Convert to fraction form
    8,370.53/12,555.78 = 3,750.29/x
  3. Step 3: Cross multiply
    8,370.53x = 12,555.78 × 3,750.29
  4. Step 4: Simplify right side
    8,370.53x = 47,087,753.40
  5. Step 5: Solve for x
    x = 47,087,753.40/8,370.53
  6. Step 6: Final answer
    x = 5,625.42

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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.