Home / 7,217.55-10,826.37-2,287.20

Finding the Fourth Proportional to 7,217.55, 10,826.37 and 2,287.20

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Solution

The fourth proportional to 7,217.55, 10,826.37 and 2,287.20 is: 3,430.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,217.55 : 10,826.37 = 2,287.20 : x
  2. Step 2: Convert to fraction form
    7,217.55/10,826.37 = 2,287.20/x
  3. Step 3: Cross multiply
    7,217.55x = 10,826.37 × 2,287.20
  4. Step 4: Simplify right side
    7,217.55x = 24,762,073.46
  5. Step 5: Solve for x
    x = 24,762,073.46/7,217.55
  6. Step 6: Final answer
    x = 3,430.81

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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.