Home / 4,479.06-6,718.61-1,557.39

Finding the Fourth Proportional to 4,479.06, 6,718.61 and 1,557.39

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Solution

The fourth proportional to 4,479.06, 6,718.61 and 1,557.39 is: 2,336.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,479.06 : 6,718.61 = 1,557.39 : x
  2. Step 2: Convert to fraction form
    4,479.06/6,718.61 = 1,557.39/x
  3. Step 3: Cross multiply
    4,479.06x = 6,718.61 × 1,557.39
  4. Step 4: Simplify right side
    4,479.06x = 10,463,488.24
  5. Step 5: Solve for x
    x = 10,463,488.24/4,479.06
  6. Step 6: Final answer
    x = 2,336.09

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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.