Home / 7,808.15-11,707.03-4,299.80

Finding the Fourth Proportional to 7,808.15, 11,707.03 and 4,299.80

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Solution

The fourth proportional to 7,808.15, 11,707.03 and 4,299.80 is: 6,446.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,808.15 : 11,707.03 = 4,299.80 : x
  2. Step 2: Convert to fraction form
    7,808.15/11,707.03 = 4,299.80/x
  3. Step 3: Cross multiply
    7,808.15x = 11,707.03 × 4,299.80
  4. Step 4: Simplify right side
    7,808.15x = 50,337,929.90
  5. Step 5: Solve for x
    x = 50,337,929.90/7,808.15
  6. Step 6: Final answer
    x = 6,446.85

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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.