Home / 6,642.30-9,963.45-4,568.70

Finding the Fourth Proportional to 6,642.30, 9,963.45 and 4,568.70

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Solution

The fourth proportional to 6,642.30, 9,963.45 and 4,568.70 is: 6,853.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,642.30 : 9,963.45 = 4,568.70 : x
  2. Step 2: Convert to fraction form
    6,642.30/9,963.45 = 4,568.70/x
  3. Step 3: Cross multiply
    6,642.30x = 9,963.45 × 4,568.70
  4. Step 4: Simplify right side
    6,642.30x = 45,520,014.02
  5. Step 5: Solve for x
    x = 45,520,014.02/6,642.30
  6. Step 6: Final answer
    x = 6,853.05

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Similar ratio
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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.