Home / 4,479.14-6,718.17-1,557.20

Finding the Fourth Proportional to 4,479.14, 6,718.17 and 1,557.20

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Solution

The fourth proportional to 4,479.14, 6,718.17 and 1,557.20 is: 2,335.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,479.14 : 6,718.17 = 1,557.20 : x
  2. Step 2: Convert to fraction form
    4,479.14/6,718.17 = 1,557.20/x
  3. Step 3: Cross multiply
    4,479.14x = 6,718.17 × 1,557.20
  4. Step 4: Simplify right side
    4,479.14x = 10,461,534.32
  5. Step 5: Solve for x
    x = 10,461,534.32/4,479.14
  6. Step 6: Final answer
    x = 2,335.61

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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.