Home / 7,767.91-11,642.14-6,117.94

Finding the Fourth Proportional to 7,767.91, 11,642.14 and 6,117.94

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Solution

The fourth proportional to 7,767.91, 11,642.14 and 6,117.94 is: 9,169.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,767.91 : 11,642.14 = 6,117.94 : x
  2. Step 2: Convert to fraction form
    7,767.91/11,642.14 = 6,117.94/x
  3. Step 3: Cross multiply
    7,767.91x = 11,642.14 × 6,117.94
  4. Step 4: Simplify right side
    7,767.91x = 71,225,913.99
  5. Step 5: Solve for x
    x = 71,225,913.99/7,767.91
  6. Step 6: Final answer
    x = 9,169.25

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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.