Home / 5,156-7,112.24-3,060

Finding the Fourth Proportional to 5,156, 7,112.24 and 3,060

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Solution

The fourth proportional to 5,156, 7,112.24 and 3,060 is: 4,221.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,156 : 7,112.24 = 3,060 : x
  2. Step 2: Convert to fraction form
    5,156/7,112.24 = 3,060/x
  3. Step 3: Cross multiply
    5,156x = 7,112.24 × 3,060
  4. Step 4: Simplify right side
    5,156x = 21,763,454.40
  5. Step 5: Solve for x
    x = 21,763,454.40/5,156
  6. Step 6: Final answer
    x = 4,221.00

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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.