Home / 8,885.30-13,324.91-6,412.77

Finding the Fourth Proportional to 8,885.30, 13,324.91 and 6,412.77

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Solution

The fourth proportional to 8,885.30, 13,324.91 and 6,412.77 is: 9,616.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,885.30 : 13,324.91 = 6,412.77 : x
  2. Step 2: Convert to fraction form
    8,885.30/13,324.91 = 6,412.77/x
  3. Step 3: Cross multiply
    8,885.30x = 13,324.91 × 6,412.77
  4. Step 4: Simplify right side
    8,885.30x = 85,449,551.04
  5. Step 5: Solve for x
    x = 85,449,551.04/8,885.30
  6. Step 6: Final answer
    x = 9,616.96

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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.