Home / 8,259.49-11,390.55-5,425.73

Finding the Fourth Proportional to 8,259.49, 11,390.55 and 5,425.73

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Solution

The fourth proportional to 8,259.49, 11,390.55 and 5,425.73 is: 7,482.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,259.49 : 11,390.55 = 5,425.73 : x
  2. Step 2: Convert to fraction form
    8,259.49/11,390.55 = 5,425.73/x
  3. Step 3: Cross multiply
    8,259.49x = 11,390.55 × 5,425.73
  4. Step 4: Simplify right side
    8,259.49x = 61,802,048.85
  5. Step 5: Solve for x
    x = 61,802,048.85/8,259.49
  6. Step 6: Final answer
    x = 7,482.55

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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.