Home / 8,279.84-11,425.61-4,922.93

Finding the Fourth Proportional to 8,279.84, 11,425.61 and 4,922.93

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Solution

The fourth proportional to 8,279.84, 11,425.61 and 4,922.93 is: 6,793.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,279.84 : 11,425.61 = 4,922.93 : x
  2. Step 2: Convert to fraction form
    8,279.84/11,425.61 = 4,922.93/x
  3. Step 3: Cross multiply
    8,279.84x = 11,425.61 × 4,922.93
  4. Step 4: Simplify right side
    8,279.84x = 56,247,396.49
  5. Step 5: Solve for x
    x = 56,247,396.49/8,279.84
  6. Step 6: Final answer
    x = 6,793.30

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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.