Home / 7,579.52-11,343.36-7,406.72

Finding the Fourth Proportional to 7,579.52, 11,343.36 and 7,406.72

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Solution

The fourth proportional to 7,579.52, 11,343.36 and 7,406.72 is: 11,084.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,579.52 : 11,343.36 = 7,406.72 : x
  2. Step 2: Convert to fraction form
    7,579.52/11,343.36 = 7,406.72/x
  3. Step 3: Cross multiply
    7,579.52x = 11,343.36 × 7,406.72
  4. Step 4: Simplify right side
    7,579.52x = 84,017,091.38
  5. Step 5: Solve for x
    x = 84,017,091.38/7,579.52
  6. Step 6: Final answer
    x = 11,084.75

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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.