Home / 4,478.71-6,180.15-2,488.95

Finding the Fourth Proportional to 4,478.71, 6,180.15 and 2,488.95

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Solution

The fourth proportional to 4,478.71, 6,180.15 and 2,488.95 is: 3,434.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,478.71 : 6,180.15 = 2,488.95 : x
  2. Step 2: Convert to fraction form
    4,478.71/6,180.15 = 2,488.95/x
  3. Step 3: Cross multiply
    4,478.71x = 6,180.15 × 2,488.95
  4. Step 4: Simplify right side
    4,478.71x = 15,382,084.34
  5. Step 5: Solve for x
    x = 15,382,084.34/4,478.71
  6. Step 6: Final answer
    x = 3,434.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.