Home / 8,723.06-13,085.20-2,883.78

Finding the Fourth Proportional to 8,723.06, 13,085.20 and 2,883.78

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Solution

The fourth proportional to 8,723.06, 13,085.20 and 2,883.78 is: 4,325.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,723.06 : 13,085.20 = 2,883.78 : x
  2. Step 2: Convert to fraction form
    8,723.06/13,085.20 = 2,883.78/x
  3. Step 3: Cross multiply
    8,723.06x = 13,085.20 × 2,883.78
  4. Step 4: Simplify right side
    8,723.06x = 37,734,838.06
  5. Step 5: Solve for x
    x = 37,734,838.06/8,723.06
  6. Step 6: Final answer
    x = 4,325.87

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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.