Home / 5,124.44-7,681.19-3,659.15

Finding the Fourth Proportional to 5,124.44, 7,681.19 and 3,659.15

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Solution

The fourth proportional to 5,124.44, 7,681.19 and 3,659.15 is: 5,484.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,124.44 : 7,681.19 = 3,659.15 : x
  2. Step 2: Convert to fraction form
    5,124.44/7,681.19 = 3,659.15/x
  3. Step 3: Cross multiply
    5,124.44x = 7,681.19 × 3,659.15
  4. Step 4: Simplify right side
    5,124.44x = 28,106,627.30
  5. Step 5: Solve for x
    x = 28,106,627.30/5,124.44
  6. Step 6: Final answer
    x = 5,484.82

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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.