Home / 7,905.28-11,859.20-2,432

Finding the Fourth Proportional to 7,905.28, 11,859.20 and 2,432

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Solution

The fourth proportional to 7,905.28, 11,859.20 and 2,432 is: 3,648.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,905.28 : 11,859.20 = 2,432 : x
  2. Step 2: Convert to fraction form
    7,905.28/11,859.20 = 2,432/x
  3. Step 3: Cross multiply
    7,905.28x = 11,859.20 × 2,432
  4. Step 4: Simplify right side
    7,905.28x = 28,841,574.40
  5. Step 5: Solve for x
    x = 28,841,574.40/7,905.28
  6. Step 6: Final answer
    x = 3,648.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.