Home / 7,425.80-10,247.86-5,006.42

Finding the Fourth Proportional to 7,425.80, 10,247.86 and 5,006.42

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Solution

The fourth proportional to 7,425.80, 10,247.86 and 5,006.42 is: 6,909.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,425.80 : 10,247.86 = 5,006.42 : x
  2. Step 2: Convert to fraction form
    7,425.80/10,247.86 = 5,006.42/x
  3. Step 3: Cross multiply
    7,425.80x = 10,247.86 × 5,006.42
  4. Step 4: Simplify right side
    7,425.80x = 51,305,091.26
  5. Step 5: Solve for x
    x = 51,305,091.26/7,425.80
  6. Step 6: Final answer
    x = 6,909.03

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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.