Home / 5,612.30-7,747.76-4,350.50

Finding the Fourth Proportional to 5,612.30, 7,747.76 and 4,350.50

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Solution

The fourth proportional to 5,612.30, 7,747.76 and 4,350.50 is: 6,005.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,612.30 : 7,747.76 = 4,350.50 : x
  2. Step 2: Convert to fraction form
    5,612.30/7,747.76 = 4,350.50/x
  3. Step 3: Cross multiply
    5,612.30x = 7,747.76 × 4,350.50
  4. Step 4: Simplify right side
    5,612.30x = 33,706,629.88
  5. Step 5: Solve for x
    x = 33,706,629.88/5,612.30
  6. Step 6: Final answer
    x = 6,005.85

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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.