Home / 6,327.11-9,489.83-1,647.46

Finding the Fourth Proportional to 6,327.11, 9,489.83 and 1,647.46

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Solution

The fourth proportional to 6,327.11, 9,489.83 and 1,647.46 is: 2,470.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,327.11 : 9,489.83 = 1,647.46 : x
  2. Step 2: Convert to fraction form
    6,327.11/9,489.83 = 1,647.46/x
  3. Step 3: Cross multiply
    6,327.11x = 9,489.83 × 1,647.46
  4. Step 4: Simplify right side
    6,327.11x = 15,634,159.55
  5. Step 5: Solve for x
    x = 15,634,159.55/6,327.11
  6. Step 6: Final answer
    x = 2,470.98

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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.