Home / 4,449.64-6,139.98-2,460.21

Finding the Fourth Proportional to 4,449.64, 6,139.98 and 2,460.21

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Solution

The fourth proportional to 4,449.64, 6,139.98 and 2,460.21 is: 3,394.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,449.64 : 6,139.98 = 2,460.21 : x
  2. Step 2: Convert to fraction form
    4,449.64/6,139.98 = 2,460.21/x
  3. Step 3: Cross multiply
    4,449.64x = 6,139.98 × 2,460.21
  4. Step 4: Simplify right side
    4,449.64x = 15,105,640.20
  5. Step 5: Solve for x
    x = 15,105,640.20/4,449.64
  6. Step 6: Final answer
    x = 3,394.80

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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.