Home / 4,680.28-6,458.52-2,691.40

Finding the Fourth Proportional to 4,680.28, 6,458.52 and 2,691.40

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Solution

The fourth proportional to 4,680.28, 6,458.52 and 2,691.40 is: 3,713.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,680.28 : 6,458.52 = 2,691.40 : x
  2. Step 2: Convert to fraction form
    4,680.28/6,458.52 = 2,691.40/x
  3. Step 3: Cross multiply
    4,680.28x = 6,458.52 × 2,691.40
  4. Step 4: Simplify right side
    4,680.28x = 17,382,460.73
  5. Step 5: Solve for x
    x = 17,382,460.73/4,680.28
  6. Step 6: Final answer
    x = 3,713.98

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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.