Home / 4,020.65-5,547.39-2,447.63

Finding the Fourth Proportional to 4,020.65, 5,547.39 and 2,447.63

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Solution

The fourth proportional to 4,020.65, 5,547.39 and 2,447.63 is: 3,377.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,020.65 : 5,547.39 = 2,447.63 : x
  2. Step 2: Convert to fraction form
    4,020.65/5,547.39 = 2,447.63/x
  3. Step 3: Cross multiply
    4,020.65x = 5,547.39 × 2,447.63
  4. Step 4: Simplify right side
    4,020.65x = 13,577,958.19
  5. Step 5: Solve for x
    x = 13,577,958.19/4,020.65
  6. Step 6: Final answer
    x = 3,377.06

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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.