Home / 5,122.02-7,681.19-3,479.97

Finding the Fourth Proportional to 5,122.02, 7,681.19 and 3,479.97

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Solution

The fourth proportional to 5,122.02, 7,681.19 and 3,479.97 is: 5,218.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,122.02 : 7,681.19 = 3,479.97 : x
  2. Step 2: Convert to fraction form
    5,122.02/7,681.19 = 3,479.97/x
  3. Step 3: Cross multiply
    5,122.02x = 7,681.19 × 3,479.97
  4. Step 4: Simplify right side
    5,122.02x = 26,730,293.36
  5. Step 5: Solve for x
    x = 26,730,293.36/5,122.02
  6. Step 6: Final answer
    x = 5,218.70

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1.5x scale

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.