Home / 5,577.43-8,380.50-4,203.72

Finding the Fourth Proportional to 5,577.43, 8,380.50 and 4,203.72

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Solution

The fourth proportional to 5,577.43, 8,380.50 and 4,203.72 is: 6,316.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,577.43 : 8,380.50 = 4,203.72 : x
  2. Step 2: Convert to fraction form
    5,577.43/8,380.50 = 4,203.72/x
  3. Step 3: Cross multiply
    5,577.43x = 8,380.50 × 4,203.72
  4. Step 4: Simplify right side
    5,577.43x = 35,229,275.46
  5. Step 5: Solve for x
    x = 35,229,275.46/5,577.43
  6. Step 6: Final answer
    x = 6,316.40

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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.