Home / 8,398.19-12,596.87-3,132.79

Finding the Fourth Proportional to 8,398.19, 12,596.87 and 3,132.79

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Solution

The fourth proportional to 8,398.19, 12,596.87 and 3,132.79 is: 4,699.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,398.19 : 12,596.87 = 3,132.79 : x
  2. Step 2: Convert to fraction form
    8,398.19/12,596.87 = 3,132.79/x
  3. Step 3: Cross multiply
    8,398.19x = 12,596.87 × 3,132.79
  4. Step 4: Simplify right side
    8,398.19x = 39,463,348.37
  5. Step 5: Solve for x
    x = 39,463,348.37/8,398.19
  6. Step 6: Final answer
    x = 4,699.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.