Home / 7,518.72-11,209.58-7,327.02

Finding the Fourth Proportional to 7,518.72, 11,209.58 and 7,327.02

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Solution

The fourth proportional to 7,518.72, 11,209.58 and 7,327.02 is: 10,923.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,518.72 : 11,209.58 = 7,327.02 : x
  2. Step 2: Convert to fraction form
    7,518.72/11,209.58 = 7,327.02/x
  3. Step 3: Cross multiply
    7,518.72x = 11,209.58 × 7,327.02
  4. Step 4: Simplify right side
    7,518.72x = 82,132,835.17
  5. Step 5: Solve for x
    x = 82,132,835.17/7,518.72
  6. Step 6: Final answer
    x = 10,923.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.