Home / 7,768.16-11,642.50-6,118.18

Finding the Fourth Proportional to 7,768.16, 11,642.50 and 6,118.18

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Solution

The fourth proportional to 7,768.16, 11,642.50 and 6,118.18 is: 9,169.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,768.16 : 11,642.50 = 6,118.18 : x
  2. Step 2: Convert to fraction form
    7,768.16/11,642.50 = 6,118.18/x
  3. Step 3: Cross multiply
    7,768.16x = 11,642.50 × 6,118.18
  4. Step 4: Simplify right side
    7,768.16x = 71,230,910.65
  5. Step 5: Solve for x
    x = 71,230,910.65/7,768.16
  6. Step 6: Final answer
    x = 9,169.60

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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.