Home / 6,666.27-9,990.74-2,712.92

Finding the Fourth Proportional to 6,666.27, 9,990.74 and 2,712.92

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Solution

The fourth proportional to 6,666.27, 9,990.74 and 2,712.92 is: 4,065.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,666.27 : 9,990.74 = 2,712.92 : x
  2. Step 2: Convert to fraction form
    6,666.27/9,990.74 = 2,712.92/x
  3. Step 3: Cross multiply
    6,666.27x = 9,990.74 × 2,712.92
  4. Step 4: Simplify right side
    6,666.27x = 27,104,035.19
  5. Step 5: Solve for x
    x = 27,104,035.19/6,666.27
  6. Step 6: Final answer
    x = 4,065.85

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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.