Home / 7,712.31-11,558.61-6,672.27

Finding the Fourth Proportional to 7,712.31, 11,558.61 and 6,672.27

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Solution

The fourth proportional to 7,712.31, 11,558.61 and 6,672.27 is: 9,999.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,712.31 : 11,558.61 = 6,672.27 : x
  2. Step 2: Convert to fraction form
    7,712.31/11,558.61 = 6,672.27/x
  3. Step 3: Cross multiply
    7,712.31x = 11,558.61 × 6,672.27
  4. Step 4: Simplify right side
    7,712.31x = 77,122,166.74
  5. Step 5: Solve for x
    x = 77,122,166.74/7,712.31
  6. Step 6: Final answer
    x = 9,999.88

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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.