Home / 5,252.71-7,248.69-3,156.82

Finding the Fourth Proportional to 5,252.71, 7,248.69 and 3,156.82

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Solution

The fourth proportional to 5,252.71, 7,248.69 and 3,156.82 is: 4,356.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,252.71 : 7,248.69 = 3,156.82 : x
  2. Step 2: Convert to fraction form
    5,252.71/7,248.69 = 3,156.82/x
  3. Step 3: Cross multiply
    5,252.71x = 7,248.69 × 3,156.82
  4. Step 4: Simplify right side
    5,252.71x = 22,882,809.57
  5. Step 5: Solve for x
    x = 22,882,809.57/5,252.71
  6. Step 6: Final answer
    x = 4,356.38

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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.