Home / 7,399.13-10,209.83-4,415.31

Finding the Fourth Proportional to 7,399.13, 10,209.83 and 4,415.31

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Solution

The fourth proportional to 7,399.13, 10,209.83 and 4,415.31 is: 6,092.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,399.13 : 10,209.83 = 4,415.31 : x
  2. Step 2: Convert to fraction form
    7,399.13/10,209.83 = 4,415.31/x
  3. Step 3: Cross multiply
    7,399.13x = 10,209.83 × 4,415.31
  4. Step 4: Simplify right side
    7,399.13x = 45,079,542.42
  5. Step 5: Solve for x
    x = 45,079,542.42/7,399.13
  6. Step 6: Final answer
    x = 6,092.55

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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.