Home / 4,867.90-7,302.28-2,932.40

Finding the Fourth Proportional to 4,867.90, 7,302.28 and 2,932.40

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Solution

The fourth proportional to 4,867.90, 7,302.28 and 2,932.40 is: 4,398.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,867.90 : 7,302.28 = 2,932.40 : x
  2. Step 2: Convert to fraction form
    4,867.90/7,302.28 = 2,932.40/x
  3. Step 3: Cross multiply
    4,867.90x = 7,302.28 × 2,932.40
  4. Step 4: Simplify right side
    4,867.90x = 21,413,205.87
  5. Step 5: Solve for x
    x = 21,413,205.87/4,867.90
  6. Step 6: Final answer
    x = 4,398.86

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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.