Home / 5,332.90-7,999.35-4,231.30

Finding the Fourth Proportional to 5,332.90, 7,999.35 and 4,231.30

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Solution

The fourth proportional to 5,332.90, 7,999.35 and 4,231.30 is: 6,346.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,332.90 : 7,999.35 = 4,231.30 : x
  2. Step 2: Convert to fraction form
    5,332.90/7,999.35 = 4,231.30/x
  3. Step 3: Cross multiply
    5,332.90x = 7,999.35 × 4,231.30
  4. Step 4: Simplify right side
    5,332.90x = 33,847,649.66
  5. Step 5: Solve for x
    x = 33,847,649.66/5,332.90
  6. Step 6: Final answer
    x = 6,346.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.