Home / 8,858.25-12,225.60-5,713.83

Finding the Fourth Proportional to 8,858.25, 12,225.60 and 5,713.83

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Solution

The fourth proportional to 8,858.25, 12,225.60 and 5,713.83 is: 7,885.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,858.25 : 12,225.60 = 5,713.83 : x
  2. Step 2: Convert to fraction form
    8,858.25/12,225.60 = 5,713.83/x
  3. Step 3: Cross multiply
    8,858.25x = 12,225.60 × 5,713.83
  4. Step 4: Simplify right side
    8,858.25x = 69,855,000.05
  5. Step 5: Solve for x
    x = 69,855,000.05/8,858.25
  6. Step 6: Final answer
    x = 7,885.87

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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.