Home / 7,400.16-10,212.05-4,042.99

Finding the Fourth Proportional to 7,400.16, 10,212.05 and 4,042.99

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Solution

The fourth proportional to 7,400.16, 10,212.05 and 4,042.99 is: 5,579.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,400.16 : 10,212.05 = 4,042.99 : x
  2. Step 2: Convert to fraction form
    7,400.16/10,212.05 = 4,042.99/x
  3. Step 3: Cross multiply
    7,400.16x = 10,212.05 × 4,042.99
  4. Step 4: Simplify right side
    7,400.16x = 41,287,164.97
  5. Step 5: Solve for x
    x = 41,287,164.97/7,400.16
  6. Step 6: Final answer
    x = 5,579.23

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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.