Home / 4,862.40-7,289.28-2,261.76

Finding the Fourth Proportional to 4,862.40, 7,289.28 and 2,261.76

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Solution

The fourth proportional to 4,862.40, 7,289.28 and 2,261.76 is: 3,390.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,862.40 : 7,289.28 = 2,261.76 : x
  2. Step 2: Convert to fraction form
    4,862.40/7,289.28 = 2,261.76/x
  3. Step 3: Cross multiply
    4,862.40x = 7,289.28 × 2,261.76
  4. Step 4: Simplify right side
    4,862.40x = 16,486,601.93
  5. Step 5: Solve for x
    x = 16,486,601.93/4,862.40
  6. Step 6: Final answer
    x = 3,390.63

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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.