Home / 8,248.32-11,378.70-5,414.58

Finding the Fourth Proportional to 8,248.32, 11,378.70 and 5,414.58

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Solution

The fourth proportional to 8,248.32, 11,378.70 and 5,414.58 is: 7,469.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,248.32 : 11,378.70 = 5,414.58 : x
  2. Step 2: Convert to fraction form
    8,248.32/11,378.70 = 5,414.58/x
  3. Step 3: Cross multiply
    8,248.32x = 11,378.70 × 5,414.58
  4. Step 4: Simplify right side
    8,248.32x = 61,610,881.45
  5. Step 5: Solve for x
    x = 61,610,881.45/8,248.32
  6. Step 6: Final answer
    x = 7,469.51

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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.