Home / 5,442.35-8,155.71-4,188.08

Finding the Fourth Proportional to 5,442.35, 8,155.71 and 4,188.08

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Solution

The fourth proportional to 5,442.35, 8,155.71 and 4,188.08 is: 6,276.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,442.35 : 8,155.71 = 4,188.08 : x
  2. Step 2: Convert to fraction form
    5,442.35/8,155.71 = 4,188.08/x
  3. Step 3: Cross multiply
    5,442.35x = 8,155.71 × 4,188.08
  4. Step 4: Simplify right side
    5,442.35x = 34,156,725.16
  5. Step 5: Solve for x
    x = 34,156,725.16/5,442.35
  6. Step 6: Final answer
    x = 6,276.10

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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.