Home / 5,279.31-7,285.71-3,041.55

Finding the Fourth Proportional to 5,279.31, 7,285.71 and 3,041.55

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Solution

The fourth proportional to 5,279.31, 7,285.71 and 3,041.55 is: 4,197.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,279.31 : 7,285.71 = 3,041.55 : x
  2. Step 2: Convert to fraction form
    5,279.31/7,285.71 = 3,041.55/x
  3. Step 3: Cross multiply
    5,279.31x = 7,285.71 × 3,041.55
  4. Step 4: Simplify right side
    5,279.31x = 22,159,851.25
  5. Step 5: Solve for x
    x = 22,159,851.25/5,279.31
  6. Step 6: Final answer
    x = 4,197.49

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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.