Home / 6,432.40-8,877.14-3,600.02

Finding the Fourth Proportional to 6,432.40, 8,877.14 and 3,600.02

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Solution

The fourth proportional to 6,432.40, 8,877.14 and 3,600.02 is: 4,968.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,432.40 : 8,877.14 = 3,600.02 : x
  2. Step 2: Convert to fraction form
    6,432.40/8,877.14 = 3,600.02/x
  3. Step 3: Cross multiply
    6,432.40x = 8,877.14 × 3,600.02
  4. Step 4: Simplify right side
    6,432.40x = 31,957,881.54
  5. Step 5: Solve for x
    x = 31,957,881.54/6,432.40
  6. Step 6: Final answer
    x = 4,968.27

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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.