Home / 6,665.30-10,001.55-2,770.10

Finding the Fourth Proportional to 6,665.30, 10,001.55 and 2,770.10

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Solution

The fourth proportional to 6,665.30, 10,001.55 and 2,770.10 is: 4,156.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,665.30 : 10,001.55 = 2,770.10 : x
  2. Step 2: Convert to fraction form
    6,665.30/10,001.55 = 2,770.10/x
  3. Step 3: Cross multiply
    6,665.30x = 10,001.55 × 2,770.10
  4. Step 4: Simplify right side
    6,665.30x = 27,705,293.66
  5. Step 5: Solve for x
    x = 27,705,293.66/6,665.30
  6. Step 6: Final answer
    x = 4,156.65

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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.