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Finding the Fourth Proportional to 6,612.06, 9,918.12 and 2,862.96

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Solution

The fourth proportional to 6,612.06, 9,918.12 and 2,862.96 is: 4,294.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,612.06 : 9,918.12 = 2,862.96 : x
  2. Step 2: Convert to fraction form
    6,612.06/9,918.12 = 2,862.96/x
  3. Step 3: Cross multiply
    6,612.06x = 9,918.12 × 2,862.96
  4. Step 4: Simplify right side
    6,612.06x = 28,395,180.84
  5. Step 5: Solve for x
    x = 28,395,180.84/6,612.06
  6. Step 6: Final answer
    x = 4,294.45

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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.