Home / 7,948.13-10,967.90-4,963.78

Finding the Fourth Proportional to 7,948.13, 10,967.90 and 4,963.78

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Solution

The fourth proportional to 7,948.13, 10,967.90 and 4,963.78 is: 6,849.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,948.13 : 10,967.90 = 4,963.78 : x
  2. Step 2: Convert to fraction form
    7,948.13/10,967.90 = 4,963.78/x
  3. Step 3: Cross multiply
    7,948.13x = 10,967.90 × 4,963.78
  4. Step 4: Simplify right side
    7,948.13x = 54,442,242.66
  5. Step 5: Solve for x
    x = 54,442,242.66/7,948.13
  6. Step 6: Final answer
    x = 6,849.70

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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.