Home / 5,712.48-7,852.97-4,912.88

Finding the Fourth Proportional to 5,712.48, 7,852.97 and 4,912.88

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Solution

The fourth proportional to 5,712.48, 7,852.97 and 4,912.88 is: 6,753.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,712.48 : 7,852.97 = 4,912.88 : x
  2. Step 2: Convert to fraction form
    5,712.48/7,852.97 = 4,912.88/x
  3. Step 3: Cross multiply
    5,712.48x = 7,852.97 × 4,912.88
  4. Step 4: Simplify right side
    5,712.48x = 38,580,672.27
  5. Step 5: Solve for x
    x = 38,580,672.27/5,712.48
  6. Step 6: Final answer
    x = 6,753.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.