Home / 9,200.45-12,695.90-5,222.22

Finding the Fourth Proportional to 9,200.45, 12,695.90 and 5,222.22

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Solution

The fourth proportional to 9,200.45, 12,695.90 and 5,222.22 is: 7,206.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,200.45 : 12,695.90 = 5,222.22 : x
  2. Step 2: Convert to fraction form
    9,200.45/12,695.90 = 5,222.22/x
  3. Step 3: Cross multiply
    9,200.45x = 12,695.90 × 5,222.22
  4. Step 4: Simplify right side
    9,200.45x = 66,300,756.79
  5. Step 5: Solve for x
    x = 66,300,756.79/9,200.45
  6. Step 6: Final answer
    x = 7,206.26

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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.