Home / 4,479.17-6,718.76-1,557.48

Finding the Fourth Proportional to 4,479.17, 6,718.76 and 1,557.48

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Solution

The fourth proportional to 4,479.17, 6,718.76 and 1,557.48 is: 2,336.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,479.17 : 6,718.76 = 1,557.48 : x
  2. Step 2: Convert to fraction form
    4,479.17/6,718.76 = 1,557.48/x
  3. Step 3: Cross multiply
    4,479.17x = 6,718.76 × 1,557.48
  4. Step 4: Simplify right side
    4,479.17x = 10,464,334.32
  5. Step 5: Solve for x
    x = 10,464,334.32/4,479.17
  6. Step 6: Final answer
    x = 2,336.22

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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.