Home / 4,479.08-6,721.68-1,557.38

Finding the Fourth Proportional to 4,479.08, 6,721.68 and 1,557.38

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Solution

The fourth proportional to 4,479.08, 6,721.68 and 1,557.38 is: 2,337.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,479.08 : 6,721.68 = 1,557.38 : x
  2. Step 2: Convert to fraction form
    4,479.08/6,721.68 = 1,557.38/x
  3. Step 3: Cross multiply
    4,479.08x = 6,721.68 × 1,557.38
  4. Step 4: Simplify right side
    4,479.08x = 10,468,210.00
  5. Step 5: Solve for x
    x = 10,468,210.00/4,479.08
  6. Step 6: Final answer
    x = 2,337.13

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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.