Home / 7,827.27-11,740.92-2,280.75

Finding the Fourth Proportional to 7,827.27, 11,740.92 and 2,280.75

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Solution

The fourth proportional to 7,827.27, 11,740.92 and 2,280.75 is: 3,421.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,827.27 : 11,740.92 = 2,280.75 : x
  2. Step 2: Convert to fraction form
    7,827.27/11,740.92 = 2,280.75/x
  3. Step 3: Cross multiply
    7,827.27x = 11,740.92 × 2,280.75
  4. Step 4: Simplify right side
    7,827.27x = 26,778,103.29
  5. Step 5: Solve for x
    x = 26,778,103.29/7,827.27
  6. Step 6: Final answer
    x = 3,421.13

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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.