Home / 8,948.91-12,349.56-5,411.44

Finding the Fourth Proportional to 8,948.91, 12,349.56 and 5,411.44

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Solution

The fourth proportional to 8,948.91, 12,349.56 and 5,411.44 is: 7,467.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,948.91 : 12,349.56 = 5,411.44 : x
  2. Step 2: Convert to fraction form
    8,948.91/12,349.56 = 5,411.44/x
  3. Step 3: Cross multiply
    8,948.91x = 12,349.56 × 5,411.44
  4. Step 4: Simplify right side
    8,948.91x = 66,828,938.70
  5. Step 5: Solve for x
    x = 66,828,938.70/8,948.91
  6. Step 6: Final answer
    x = 7,467.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.