Home / 4,868.78-7,304.18-1,947.11

Finding the Fourth Proportional to 4,868.78, 7,304.18 and 1,947.11

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Solution

The fourth proportional to 4,868.78, 7,304.18 and 1,947.11 is: 2,921.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,868.78 : 7,304.18 = 1,947.11 : x
  2. Step 2: Convert to fraction form
    4,868.78/7,304.18 = 1,947.11/x
  3. Step 3: Cross multiply
    4,868.78x = 7,304.18 × 1,947.11
  4. Step 4: Simplify right side
    4,868.78x = 14,221,995.66
  5. Step 5: Solve for x
    x = 14,221,995.66/4,868.78
  6. Step 6: Final answer
    x = 2,921.06

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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.