Home / 4,480.29-6,182.78-2,490.90

Finding the Fourth Proportional to 4,480.29, 6,182.78 and 2,490.90

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Solution

The fourth proportional to 4,480.29, 6,182.78 and 2,490.90 is: 3,437.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,480.29 : 6,182.78 = 2,490.90 : x
  2. Step 2: Convert to fraction form
    4,480.29/6,182.78 = 2,490.90/x
  3. Step 3: Cross multiply
    4,480.29x = 6,182.78 × 2,490.90
  4. Step 4: Simplify right side
    4,480.29x = 15,400,674.25
  5. Step 5: Solve for x
    x = 15,400,674.25/4,480.29
  6. Step 6: Final answer
    x = 3,437.43

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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.