Home / 5,743.75-7,926.98-3,647.88

Finding the Fourth Proportional to 5,743.75, 7,926.98 and 3,647.88

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Solution

The fourth proportional to 5,743.75, 7,926.98 and 3,647.88 is: 5,034.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,743.75 : 7,926.98 = 3,647.88 : x
  2. Step 2: Convert to fraction form
    5,743.75/7,926.98 = 3,647.88/x
  3. Step 3: Cross multiply
    5,743.75x = 7,926.98 × 3,647.88
  4. Step 4: Simplify right side
    5,743.75x = 28,916,671.80
  5. Step 5: Solve for x
    x = 28,916,671.80/5,743.75
  6. Step 6: Final answer
    x = 5,034.46

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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.