Home / 8,885.08-12,260.84-5,107.36

Finding the Fourth Proportional to 8,885.08, 12,260.84 and 5,107.36

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Solution

The fourth proportional to 8,885.08, 12,260.84 and 5,107.36 is: 7,047.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,885.08 : 12,260.84 = 5,107.36 : x
  2. Step 2: Convert to fraction form
    8,885.08/12,260.84 = 5,107.36/x
  3. Step 3: Cross multiply
    8,885.08x = 12,260.84 × 5,107.36
  4. Step 4: Simplify right side
    8,885.08x = 62,620,523.78
  5. Step 5: Solve for x
    x = 62,620,523.78/8,885.08
  6. Step 6: Final answer
    x = 7,047.83

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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.