Home / 7,450.12-10,281.24-4,092.88

Finding the Fourth Proportional to 7,450.12, 10,281.24 and 4,092.88

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Solution

The fourth proportional to 7,450.12, 10,281.24 and 4,092.88 is: 5,648.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,450.12 : 10,281.24 = 4,092.88 : x
  2. Step 2: Convert to fraction form
    7,450.12/10,281.24 = 4,092.88/x
  3. Step 3: Cross multiply
    7,450.12x = 10,281.24 × 4,092.88
  4. Step 4: Simplify right side
    7,450.12x = 42,079,881.57
  5. Step 5: Solve for x
    x = 42,079,881.57/7,450.12
  6. Step 6: Final answer
    x = 5,648.22

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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.