Home / 8,725.06-13,088.20-2,885.78

Finding the Fourth Proportional to 8,725.06, 13,088.20 and 2,885.78

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Solution

The fourth proportional to 8,725.06, 13,088.20 and 2,885.78 is: 4,328.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,725.06 : 13,088.20 = 2,885.78 : x
  2. Step 2: Convert to fraction form
    8,725.06/13,088.20 = 2,885.78/x
  3. Step 3: Cross multiply
    8,725.06x = 13,088.20 × 2,885.78
  4. Step 4: Simplify right side
    8,725.06x = 37,769,665.80
  5. Step 5: Solve for x
    x = 37,769,665.80/8,725.06
  6. Step 6: Final answer
    x = 4,328.87

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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.