Home / 8,679.13-13,017.06-4,232.34

Finding the Fourth Proportional to 8,679.13, 13,017.06 and 4,232.34

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Solution

The fourth proportional to 8,679.13, 13,017.06 and 4,232.34 is: 6,347.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,679.13 : 13,017.06 = 4,232.34 : x
  2. Step 2: Convert to fraction form
    8,679.13/13,017.06 = 4,232.34/x
  3. Step 3: Cross multiply
    8,679.13x = 13,017.06 × 4,232.34
  4. Step 4: Simplify right side
    8,679.13x = 55,092,558.64
  5. Step 5: Solve for x
    x = 55,092,558.64/8,679.13
  6. Step 6: Final answer
    x = 6,347.71

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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.