Home / 7,717.08-11,523.24-6,139.44

Finding the Fourth Proportional to 7,717.08, 11,523.24 and 6,139.44

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Solution

The fourth proportional to 7,717.08, 11,523.24 and 6,139.44 is: 9,167.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,717.08 : 11,523.24 = 6,139.44 : x
  2. Step 2: Convert to fraction form
    7,717.08/11,523.24 = 6,139.44/x
  3. Step 3: Cross multiply
    7,717.08x = 11,523.24 × 6,139.44
  4. Step 4: Simplify right side
    7,717.08x = 70,746,240.59
  5. Step 5: Solve for x
    x = 70,746,240.59/7,717.08
  6. Step 6: Final answer
    x = 9,167.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.