Home / 5,271.78-7,275.33-3,033.66

Finding the Fourth Proportional to 5,271.78, 7,275.33 and 3,033.66

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Solution

The fourth proportional to 5,271.78, 7,275.33 and 3,033.66 is: 4,186.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,271.78 : 7,275.33 = 3,033.66 : x
  2. Step 2: Convert to fraction form
    5,271.78/7,275.33 = 3,033.66/x
  3. Step 3: Cross multiply
    5,271.78x = 7,275.33 × 3,033.66
  4. Step 4: Simplify right side
    5,271.78x = 22,070,877.61
  5. Step 5: Solve for x
    x = 22,070,877.61/5,271.78
  6. Step 6: Final answer
    x = 4,186.61

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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.