Home / 8,874.10-13,285.55-5,418.10

Finding the Fourth Proportional to 8,874.10, 13,285.55 and 5,418.10

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Solution

The fourth proportional to 8,874.10, 13,285.55 and 5,418.10 is: 8,111.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,874.10 : 13,285.55 = 5,418.10 : x
  2. Step 2: Convert to fraction form
    8,874.10/13,285.55 = 5,418.10/x
  3. Step 3: Cross multiply
    8,874.10x = 13,285.55 × 5,418.10
  4. Step 4: Simplify right side
    8,874.10x = 71,982,438.46
  5. Step 5: Solve for x
    x = 71,982,438.46/8,874.10
  6. Step 6: Final answer
    x = 8,111.52

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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.