Home / 8,855.18-12,212.89-6,462.46

Finding the Fourth Proportional to 8,855.18, 12,212.89 and 6,462.46

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Solution

The fourth proportional to 8,855.18, 12,212.89 and 6,462.46 is: 8,912.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,855.18 : 12,212.89 = 6,462.46 : x
  2. Step 2: Convert to fraction form
    8,855.18/12,212.89 = 6,462.46/x
  3. Step 3: Cross multiply
    8,855.18x = 12,212.89 × 6,462.46
  4. Step 4: Simplify right side
    8,855.18x = 78,925,312.22
  5. Step 5: Solve for x
    x = 78,925,312.22/8,855.18
  6. Step 6: Final answer
    x = 8,912.90

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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.