Home / 4,449.20-6,140.64-2,681.08

Finding the Fourth Proportional to 4,449.20, 6,140.64 and 2,681.08

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Solution

The fourth proportional to 4,449.20, 6,140.64 and 2,681.08 is: 3,700.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,449.20 : 6,140.64 = 2,681.08 : x
  2. Step 2: Convert to fraction form
    4,449.20/6,140.64 = 2,681.08/x
  3. Step 3: Cross multiply
    4,449.20x = 6,140.64 × 2,681.08
  4. Step 4: Simplify right side
    4,449.20x = 16,463,547.09
  5. Step 5: Solve for x
    x = 16,463,547.09/4,449.20
  6. Step 6: Final answer
    x = 3,700.34

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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.