Home / 8,575.45-12,861.23-4,130.85

Finding the Fourth Proportional to 8,575.45, 12,861.23 and 4,130.85

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Solution

The fourth proportional to 8,575.45, 12,861.23 and 4,130.85 is: 6,195.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,575.45 : 12,861.23 = 4,130.85 : x
  2. Step 2: Convert to fraction form
    8,575.45/12,861.23 = 4,130.85/x
  3. Step 3: Cross multiply
    8,575.45x = 12,861.23 × 4,130.85
  4. Step 4: Simplify right side
    8,575.45x = 53,127,811.95
  5. Step 5: Solve for x
    x = 53,127,811.95/8,575.45
  6. Step 6: Final answer
    x = 6,195.34

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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.