Home / 5,540.15-7,641.77-3,547.55

Finding the Fourth Proportional to 5,540.15, 7,641.77 and 3,547.55

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Solution

The fourth proportional to 5,540.15, 7,641.77 and 3,547.55 is: 4,893.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,540.15 : 7,641.77 = 3,547.55 : x
  2. Step 2: Convert to fraction form
    5,540.15/7,641.77 = 3,547.55/x
  3. Step 3: Cross multiply
    5,540.15x = 7,641.77 × 3,547.55
  4. Step 4: Simplify right side
    5,540.15x = 27,109,505.22
  5. Step 5: Solve for x
    x = 27,109,505.22/5,540.15
  6. Step 6: Final answer
    x = 4,893.28

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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.