Home / 4,079.61-6,120.95-1,614.38

Finding the Fourth Proportional to 4,079.61, 6,120.95 and 1,614.38

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Solution

The fourth proportional to 4,079.61, 6,120.95 and 1,614.38 is: 2,422.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,079.61 : 6,120.95 = 1,614.38 : x
  2. Step 2: Convert to fraction form
    4,079.61/6,120.95 = 1,614.38/x
  3. Step 3: Cross multiply
    4,079.61x = 6,120.95 × 1,614.38
  4. Step 4: Simplify right side
    4,079.61x = 9,881,500.58
  5. Step 5: Solve for x
    x = 9,881,500.58/4,079.61
  6. Step 6: Final answer
    x = 2,422.17

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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.