Home / 8,739.82-12,060.05-5,202.35

Finding the Fourth Proportional to 8,739.82, 12,060.05 and 5,202.35

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Solution

The fourth proportional to 8,739.82, 12,060.05 and 5,202.35 is: 7,178.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,739.82 : 12,060.05 = 5,202.35 : x
  2. Step 2: Convert to fraction form
    8,739.82/12,060.05 = 5,202.35/x
  3. Step 3: Cross multiply
    8,739.82x = 12,060.05 × 5,202.35
  4. Step 4: Simplify right side
    8,739.82x = 62,740,601.12
  5. Step 5: Solve for x
    x = 62,740,601.12/8,739.82
  6. Step 6: Final answer
    x = 7,178.71

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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.