Home / 8,959.42-13,439.36-2,385.62

Finding the Fourth Proportional to 8,959.42, 13,439.36 and 2,385.62

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Solution

The fourth proportional to 8,959.42, 13,439.36 and 2,385.62 is: 3,578.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,959.42 : 13,439.36 = 2,385.62 : x
  2. Step 2: Convert to fraction form
    8,959.42/13,439.36 = 2,385.62/x
  3. Step 3: Cross multiply
    8,959.42x = 13,439.36 × 2,385.62
  4. Step 4: Simplify right side
    8,959.42x = 32,061,144.77
  5. Step 5: Solve for x
    x = 32,061,144.77/8,959.42
  6. Step 6: Final answer
    x = 3,578.49

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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.