Home / 8,770.08-12,102.24-4,790.43

Finding the Fourth Proportional to 8,770.08, 12,102.24 and 4,790.43

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Solution

The fourth proportional to 8,770.08, 12,102.24 and 4,790.43 is: 6,610.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,770.08 : 12,102.24 = 4,790.43 : x
  2. Step 2: Convert to fraction form
    8,770.08/12,102.24 = 4,790.43/x
  3. Step 3: Cross multiply
    8,770.08x = 12,102.24 × 4,790.43
  4. Step 4: Simplify right side
    8,770.08x = 57,974,933.56
  5. Step 5: Solve for x
    x = 57,974,933.56/8,770.08
  6. Step 6: Final answer
    x = 6,610.54

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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.