Home / 6,463.20-9,695.70-2,765.40

Finding the Fourth Proportional to 6,463.20, 9,695.70 and 2,765.40

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Solution

The fourth proportional to 6,463.20, 9,695.70 and 2,765.40 is: 4,148.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,463.20 : 9,695.70 = 2,765.40 : x
  2. Step 2: Convert to fraction form
    6,463.20/9,695.70 = 2,765.40/x
  3. Step 3: Cross multiply
    6,463.20x = 9,695.70 × 2,765.40
  4. Step 4: Simplify right side
    6,463.20x = 26,812,488.78
  5. Step 5: Solve for x
    x = 26,812,488.78/6,463.20
  6. Step 6: Final answer
    x = 4,148.49

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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.