Home / 5,723.84-7,897.56-4,149.20

Finding the Fourth Proportional to 5,723.84, 7,897.56 and 4,149.20

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Solution

The fourth proportional to 5,723.84, 7,897.56 and 4,149.20 is: 5,724.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,723.84 : 7,897.56 = 4,149.20 : x
  2. Step 2: Convert to fraction form
    5,723.84/7,897.56 = 4,149.20/x
  3. Step 3: Cross multiply
    5,723.84x = 7,897.56 × 4,149.20
  4. Step 4: Simplify right side
    5,723.84x = 32,768,555.95
  5. Step 5: Solve for x
    x = 32,768,555.95/5,723.84
  6. Step 6: Final answer
    x = 5,724.93

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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.