Home / 7,520.78-11,301.60-4,013.24

Finding the Fourth Proportional to 7,520.78, 11,301.60 and 4,013.24

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Solution

The fourth proportional to 7,520.78, 11,301.60 and 4,013.24 is: 6,030.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,520.78 : 11,301.60 = 4,013.24 : x
  2. Step 2: Convert to fraction form
    7,520.78/11,301.60 = 4,013.24/x
  3. Step 3: Cross multiply
    7,520.78x = 11,301.60 × 4,013.24
  4. Step 4: Simplify right side
    7,520.78x = 45,355,976.68
  5. Step 5: Solve for x
    x = 45,355,976.68/7,520.78
  6. Step 6: Final answer
    x = 6,030.76

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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.