Home / 5,747.85-7,929.77-3,508.47

Finding the Fourth Proportional to 5,747.85, 7,929.77 and 3,508.47

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Solution

The fourth proportional to 5,747.85, 7,929.77 and 3,508.47 is: 4,840.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,747.85 : 7,929.77 = 3,508.47 : x
  2. Step 2: Convert to fraction form
    5,747.85/7,929.77 = 3,508.47/x
  3. Step 3: Cross multiply
    5,747.85x = 7,929.77 × 3,508.47
  4. Step 4: Simplify right side
    5,747.85x = 27,821,342.61
  5. Step 5: Solve for x
    x = 27,821,342.61/5,747.85
  6. Step 6: Final answer
    x = 4,840.30

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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.