Home / 7,340.00-10,129.19-3,982.86

Finding the Fourth Proportional to 7,340.00, 10,129.19 and 3,982.86

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Solution

The fourth proportional to 7,340.00, 10,129.19 and 3,982.86 is: 5,496.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,340.00 : 10,129.19 = 3,982.86 : x
  2. Step 2: Convert to fraction form
    7,340.00/10,129.19 = 3,982.86/x
  3. Step 3: Cross multiply
    7,340.00x = 10,129.19 × 3,982.86
  4. Step 4: Simplify right side
    7,340.00x = 40,343,125.77
  5. Step 5: Solve for x
    x = 40,343,125.77/7,340.00
  6. Step 6: Final answer
    x = 5,496.34

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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.