Home / 8,912.30-12,296.88-6,085.56

Finding the Fourth Proportional to 8,912.30, 12,296.88 and 6,085.56

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Solution

The fourth proportional to 8,912.30, 12,296.88 and 6,085.56 is: 8,396.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,912.30 : 12,296.88 = 6,085.56 : x
  2. Step 2: Convert to fraction form
    8,912.30/12,296.88 = 6,085.56/x
  3. Step 3: Cross multiply
    8,912.30x = 12,296.88 × 6,085.56
  4. Step 4: Simplify right side
    8,912.30x = 74,833,401.05
  5. Step 5: Solve for x
    x = 74,833,401.05/8,912.30
  6. Step 6: Final answer
    x = 8,396.65

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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.