Home / 7,360.20-11,040.05-3,200.20

Finding the Fourth Proportional to 7,360.20, 11,040.05 and 3,200.20

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Solution

The fourth proportional to 7,360.20, 11,040.05 and 3,200.20 is: 4,800.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,360.20 : 11,040.05 = 3,200.20 : x
  2. Step 2: Convert to fraction form
    7,360.20/11,040.05 = 3,200.20/x
  3. Step 3: Cross multiply
    7,360.20x = 11,040.05 × 3,200.20
  4. Step 4: Simplify right side
    7,360.20x = 35,330,352.01
  5. Step 5: Solve for x
    x = 35,330,352.01/7,360.20
  6. Step 6: Final answer
    x = 4,800.19

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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.