Home / 7,974.28-11,003.33-4,786.90

Finding the Fourth Proportional to 7,974.28, 11,003.33 and 4,786.90

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Solution

The fourth proportional to 7,974.28, 11,003.33 and 4,786.90 is: 6,605.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,974.28 : 11,003.33 = 4,786.90 : x
  2. Step 2: Convert to fraction form
    7,974.28/11,003.33 = 4,786.90/x
  3. Step 3: Cross multiply
    7,974.28x = 11,003.33 × 4,786.90
  4. Step 4: Simplify right side
    7,974.28x = 52,671,840.38
  5. Step 5: Solve for x
    x = 52,671,840.38/7,974.28
  6. Step 6: Final answer
    x = 6,605.22

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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.