Home / 5,442.02-8,159.78-3,689.18

Finding the Fourth Proportional to 5,442.02, 8,159.78 and 3,689.18

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Solution

The fourth proportional to 5,442.02, 8,159.78 and 3,689.18 is: 5,531.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,442.02 : 8,159.78 = 3,689.18 : x
  2. Step 2: Convert to fraction form
    5,442.02/8,159.78 = 3,689.18/x
  3. Step 3: Cross multiply
    5,442.02x = 8,159.78 × 3,689.18
  4. Step 4: Simplify right side
    5,442.02x = 30,102,897.18
  5. Step 5: Solve for x
    x = 30,102,897.18/5,442.02
  6. Step 6: Final answer
    x = 5,531.57

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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.