Home / 8,956.90-13,414.85-4,280.19

Finding the Fourth Proportional to 8,956.90, 13,414.85 and 4,280.19

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Solution

The fourth proportional to 8,956.90, 13,414.85 and 4,280.19 is: 6,410.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,956.90 : 13,414.85 = 4,280.19 : x
  2. Step 2: Convert to fraction form
    8,956.90/13,414.85 = 4,280.19/x
  3. Step 3: Cross multiply
    8,956.90x = 13,414.85 × 4,280.19
  4. Step 4: Simplify right side
    8,956.90x = 57,418,085.42
  5. Step 5: Solve for x
    x = 57,418,085.42/8,956.90
  6. Step 6: Final answer
    x = 6,410.49

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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.