Home / 4,479.64-6,718.92-1,557.70

Finding the Fourth Proportional to 4,479.64, 6,718.92 and 1,557.70

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Solution

The fourth proportional to 4,479.64, 6,718.92 and 1,557.70 is: 2,336.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,479.64 : 6,718.92 = 1,557.70 : x
  2. Step 2: Convert to fraction form
    4,479.64/6,718.92 = 1,557.70/x
  3. Step 3: Cross multiply
    4,479.64x = 6,718.92 × 1,557.70
  4. Step 4: Simplify right side
    4,479.64x = 10,466,061.68
  5. Step 5: Solve for x
    x = 10,466,061.68/4,479.64
  6. Step 6: Final answer
    x = 2,336.36

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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.