Home / 7,400.30-10,212.41-4,043.16

Finding the Fourth Proportional to 7,400.30, 10,212.41 and 4,043.16

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Solution

The fourth proportional to 7,400.30, 10,212.41 and 4,043.16 is: 5,579.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,400.30 : 10,212.41 = 4,043.16 : x
  2. Step 2: Convert to fraction form
    7,400.30/10,212.41 = 4,043.16/x
  3. Step 3: Cross multiply
    7,400.30x = 10,212.41 × 4,043.16
  4. Step 4: Simplify right side
    7,400.30x = 41,290,417.72
  5. Step 5: Solve for x
    x = 41,290,417.72/7,400.30
  6. Step 6: Final answer
    x = 5,579.56

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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.