Home / 6,638.06-9,957.09-2,742.57

Finding the Fourth Proportional to 6,638.06, 9,957.09 and 2,742.57

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Solution

The fourth proportional to 6,638.06, 9,957.09 and 2,742.57 is: 4,113.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,638.06 : 9,957.09 = 2,742.57 : x
  2. Step 2: Convert to fraction form
    6,638.06/9,957.09 = 2,742.57/x
  3. Step 3: Cross multiply
    6,638.06x = 9,957.09 × 2,742.57
  4. Step 4: Simplify right side
    6,638.06x = 27,308,026.61
  5. Step 5: Solve for x
    x = 27,308,026.61/6,638.06
  6. Step 6: Final answer
    x = 4,113.86

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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.