Home / 4,929.32-7,394.13-2,154.57

Finding the Fourth Proportional to 4,929.32, 7,394.13 and 2,154.57

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Solution

The fourth proportional to 4,929.32, 7,394.13 and 2,154.57 is: 3,231.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,929.32 : 7,394.13 = 2,154.57 : x
  2. Step 2: Convert to fraction form
    4,929.32/7,394.13 = 2,154.57/x
  3. Step 3: Cross multiply
    4,929.32x = 7,394.13 × 2,154.57
  4. Step 4: Simplify right side
    4,929.32x = 15,931,170.67
  5. Step 5: Solve for x
    x = 15,931,170.67/4,929.32
  6. Step 6: Final answer
    x = 3,231.92

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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.