Home / 5,417.30-8,125.95-1,954.55

Finding the Fourth Proportional to 5,417.30, 8,125.95 and 1,954.55

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Solution

The fourth proportional to 5,417.30, 8,125.95 and 1,954.55 is: 2,931.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,417.30 : 8,125.95 = 1,954.55 : x
  2. Step 2: Convert to fraction form
    5,417.30/8,125.95 = 1,954.55/x
  3. Step 3: Cross multiply
    5,417.30x = 8,125.95 × 1,954.55
  4. Step 4: Simplify right side
    5,417.30x = 15,882,575.57
  5. Step 5: Solve for x
    x = 15,882,575.57/5,417.30
  6. Step 6: Final answer
    x = 2,931.83

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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.