Home / 5,577.52-8,369.50-2,117.20

Finding the Fourth Proportional to 5,577.52, 8,369.50 and 2,117.20

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Solution

The fourth proportional to 5,577.52, 8,369.50 and 2,117.20 is: 3,177.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,577.52 : 8,369.50 = 2,117.20 : x
  2. Step 2: Convert to fraction form
    5,577.52/8,369.50 = 2,117.20/x
  3. Step 3: Cross multiply
    5,577.52x = 8,369.50 × 2,117.20
  4. Step 4: Simplify right side
    5,577.52x = 17,719,905.40
  5. Step 5: Solve for x
    x = 17,719,905.40/5,577.52
  6. Step 6: Final answer
    x = 3,177.02

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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.