Home / 6,765.80-10,140.05-2,864.84

Finding the Fourth Proportional to 6,765.80, 10,140.05 and 2,864.84

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Solution

The fourth proportional to 6,765.80, 10,140.05 and 2,864.84 is: 4,293.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,765.80 : 10,140.05 = 2,864.84 : x
  2. Step 2: Convert to fraction form
    6,765.80/10,140.05 = 2,864.84/x
  3. Step 3: Cross multiply
    6,765.80x = 10,140.05 × 2,864.84
  4. Step 4: Simplify right side
    6,765.80x = 29,049,577.30
  5. Step 5: Solve for x
    x = 29,049,577.30/6,765.80
  6. Step 6: Final answer
    x = 4,293.59

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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.