Home / 7,342.43-11,010.04-5,122.31

Finding the Fourth Proportional to 7,342.43, 11,010.04 and 5,122.31

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Solution

The fourth proportional to 7,342.43, 11,010.04 and 5,122.31 is: 7,680.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,342.43 : 11,010.04 = 5,122.31 : x
  2. Step 2: Convert to fraction form
    7,342.43/11,010.04 = 5,122.31/x
  3. Step 3: Cross multiply
    7,342.43x = 11,010.04 × 5,122.31
  4. Step 4: Simplify right side
    7,342.43x = 56,396,852.71
  5. Step 5: Solve for x
    x = 56,396,852.71/7,342.43
  6. Step 6: Final answer
    x = 7,680.96

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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.