Home / 6,776.45-9,351.64-4,087.65

Finding the Fourth Proportional to 6,776.45, 9,351.64 and 4,087.65

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Solution

The fourth proportional to 6,776.45, 9,351.64 and 4,087.65 is: 5,641.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,776.45 : 9,351.64 = 4,087.65 : x
  2. Step 2: Convert to fraction form
    6,776.45/9,351.64 = 4,087.65/x
  3. Step 3: Cross multiply
    6,776.45x = 9,351.64 × 4,087.65
  4. Step 4: Simplify right side
    6,776.45x = 38,226,231.25
  5. Step 5: Solve for x
    x = 38,226,231.25/6,776.45
  6. Step 6: Final answer
    x = 5,641.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.