Home / 7,807.29-11,711.04-2,613.15

Finding the Fourth Proportional to 7,807.29, 11,711.04 and 2,613.15

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Solution

The fourth proportional to 7,807.29, 11,711.04 and 2,613.15 is: 3,919.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,807.29 : 11,711.04 = 2,613.15 : x
  2. Step 2: Convert to fraction form
    7,807.29/11,711.04 = 2,613.15/x
  3. Step 3: Cross multiply
    7,807.29x = 11,711.04 × 2,613.15
  4. Step 4: Simplify right side
    7,807.29x = 30,602,704.18
  5. Step 5: Solve for x
    x = 30,602,704.18/7,807.29
  6. Step 6: Final answer
    x = 3,919.76

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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.