Home / 6,665.46-9,999.42-2,770.17

Finding the Fourth Proportional to 6,665.46, 9,999.42 and 2,770.17

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Solution

The fourth proportional to 6,665.46, 9,999.42 and 2,770.17 is: 4,155.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,665.46 : 9,999.42 = 2,770.17 : x
  2. Step 2: Convert to fraction form
    6,665.46/9,999.42 = 2,770.17/x
  3. Step 3: Cross multiply
    6,665.46x = 9,999.42 × 2,770.17
  4. Step 4: Simplify right side
    6,665.46x = 27,700,093.30
  5. Step 5: Solve for x
    x = 27,700,093.30/6,665.46
  6. Step 6: Final answer
    x = 4,155.77

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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.