Home / 4,449.80-6,140.68-2,460.40

Finding the Fourth Proportional to 4,449.80, 6,140.68 and 2,460.40

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Solution

The fourth proportional to 4,449.80, 6,140.68 and 2,460.40 is: 3,395.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,449.80 : 6,140.68 = 2,460.40 : x
  2. Step 2: Convert to fraction form
    4,449.80/6,140.68 = 2,460.40/x
  3. Step 3: Cross multiply
    4,449.80x = 6,140.68 × 2,460.40
  4. Step 4: Simplify right side
    4,449.80x = 15,108,507.57
  5. Step 5: Solve for x
    x = 15,108,507.57/4,449.80
  6. Step 6: Final answer
    x = 3,395.32

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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.