Home / 7,949.13-10,969.28-4,964.78

Finding the Fourth Proportional to 7,949.13, 10,969.28 and 4,964.78

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Solution

The fourth proportional to 7,949.13, 10,969.28 and 4,964.78 is: 6,851.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,949.13 : 10,969.28 = 4,964.78 : x
  2. Step 2: Convert to fraction form
    7,949.13/10,969.28 = 4,964.78/x
  3. Step 3: Cross multiply
    7,949.13x = 10,969.28 × 4,964.78
  4. Step 4: Simplify right side
    7,949.13x = 54,460,061.96
  5. Step 5: Solve for x
    x = 54,460,061.96/7,949.13
  6. Step 6: Final answer
    x = 6,851.07

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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.