Home / 6,345.20-9,517.58-1,962.70

Finding the Fourth Proportional to 6,345.20, 9,517.58 and 1,962.70

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Solution

The fourth proportional to 6,345.20, 9,517.58 and 1,962.70 is: 2,943.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,345.20 : 9,517.58 = 1,962.70 : x
  2. Step 2: Convert to fraction form
    6,345.20/9,517.58 = 1,962.70/x
  3. Step 3: Cross multiply
    6,345.20x = 9,517.58 × 1,962.70
  4. Step 4: Simplify right side
    6,345.20x = 18,680,154.27
  5. Step 5: Solve for x
    x = 18,680,154.27/6,345.20
  6. Step 6: Final answer
    x = 2,943.98

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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.