Home / 8,425.52-11,626.62-4,648.46

Finding the Fourth Proportional to 8,425.52, 11,626.62 and 4,648.46

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Solution

The fourth proportional to 8,425.52, 11,626.62 and 4,648.46 is: 6,414.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,425.52 : 11,626.62 = 4,648.46 : x
  2. Step 2: Convert to fraction form
    8,425.52/11,626.62 = 4,648.46/x
  3. Step 3: Cross multiply
    8,425.52x = 11,626.62 × 4,648.46
  4. Step 4: Simplify right side
    8,425.52x = 54,045,878.01
  5. Step 5: Solve for x
    x = 54,045,878.01/8,425.52
  6. Step 6: Final answer
    x = 6,414.55

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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.