Home / 7,092.29-9,787.28-3,905.52

Finding the Fourth Proportional to 7,092.29, 9,787.28 and 3,905.52

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Solution

The fourth proportional to 7,092.29, 9,787.28 and 3,905.52 is: 5,389.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,092.29 : 9,787.28 = 3,905.52 : x
  2. Step 2: Convert to fraction form
    7,092.29/9,787.28 = 3,905.52/x
  3. Step 3: Cross multiply
    7,092.29x = 9,787.28 × 3,905.52
  4. Step 4: Simplify right side
    7,092.29x = 38,224,408.02
  5. Step 5: Solve for x
    x = 38,224,408.02/7,092.29
  6. Step 6: Final answer
    x = 5,389.57

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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.