Home / 8,347.11-12,523.91-3,419.07

Finding the Fourth Proportional to 8,347.11, 12,523.91 and 3,419.07

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Solution

The fourth proportional to 8,347.11, 12,523.91 and 3,419.07 is: 5,129.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,347.11 : 12,523.91 = 3,419.07 : x
  2. Step 2: Convert to fraction form
    8,347.11/12,523.91 = 3,419.07/x
  3. Step 3: Cross multiply
    8,347.11x = 12,523.91 × 3,419.07
  4. Step 4: Simplify right side
    8,347.11x = 42,820,107.87
  5. Step 5: Solve for x
    x = 42,820,107.87/8,347.11
  6. Step 6: Final answer
    x = 5,129.93

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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.