Home / 6,433.20-8,877.90-3,600.72

Finding the Fourth Proportional to 6,433.20, 8,877.90 and 3,600.72

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Solution

The fourth proportional to 6,433.20, 8,877.90 and 3,600.72 is: 4,969.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,433.20 : 8,877.90 = 3,600.72 : x
  2. Step 2: Convert to fraction form
    6,433.20/8,877.90 = 3,600.72/x
  3. Step 3: Cross multiply
    6,433.20x = 8,877.90 × 3,600.72
  4. Step 4: Simplify right side
    6,433.20x = 31,966,832.09
  5. Step 5: Solve for x
    x = 31,966,832.09/6,433.20
  6. Step 6: Final answer
    x = 4,969.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.