Home / 5,385.18-8,077.85-3,548.06

Finding the Fourth Proportional to 5,385.18, 8,077.85 and 3,548.06

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Solution

The fourth proportional to 5,385.18, 8,077.85 and 3,548.06 is: 5,322.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,385.18 : 8,077.85 = 3,548.06 : x
  2. Step 2: Convert to fraction form
    5,385.18/8,077.85 = 3,548.06/x
  3. Step 3: Cross multiply
    5,385.18x = 8,077.85 × 3,548.06
  4. Step 4: Simplify right side
    5,385.18x = 28,660,696.47
  5. Step 5: Solve for x
    x = 28,660,696.47/5,385.18
  6. Step 6: Final answer
    x = 5,322.14

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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.