Home / 5,256.97-7,254.53-2,988.72

Finding the Fourth Proportional to 5,256.97, 7,254.53 and 2,988.72

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Solution

The fourth proportional to 5,256.97, 7,254.53 and 2,988.72 is: 4,124.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,256.97 : 7,254.53 = 2,988.72 : x
  2. Step 2: Convert to fraction form
    5,256.97/7,254.53 = 2,988.72/x
  3. Step 3: Cross multiply
    5,256.97x = 7,254.53 × 2,988.72
  4. Step 4: Simplify right side
    5,256.97x = 21,681,751.43
  5. Step 5: Solve for x
    x = 21,681,751.43/5,256.97
  6. Step 6: Final answer
    x = 4,124.38

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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.