Home / 7,945.12-10,964.51-4,408.66

Finding the Fourth Proportional to 7,945.12, 10,964.51 and 4,408.66

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Solution

The fourth proportional to 7,945.12, 10,964.51 and 4,408.66 is: 6,084.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,945.12 : 10,964.51 = 4,408.66 : x
  2. Step 2: Convert to fraction form
    7,945.12/10,964.51 = 4,408.66/x
  3. Step 3: Cross multiply
    7,945.12x = 10,964.51 × 4,408.66
  4. Step 4: Simplify right side
    7,945.12x = 48,338,829.65
  5. Step 5: Solve for x
    x = 48,338,829.65/7,945.12
  6. Step 6: Final answer
    x = 6,084.09

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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.