Home / 8,865.18-12,234.21-4,886.46

Finding the Fourth Proportional to 8,865.18, 12,234.21 and 4,886.46

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Solution

The fourth proportional to 8,865.18, 12,234.21 and 4,886.46 is: 6,743.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,865.18 : 12,234.21 = 4,886.46 : x
  2. Step 2: Convert to fraction form
    8,865.18/12,234.21 = 4,886.46/x
  3. Step 3: Cross multiply
    8,865.18x = 12,234.21 × 4,886.46
  4. Step 4: Simplify right side
    8,865.18x = 59,781,977.80
  5. Step 5: Solve for x
    x = 59,781,977.80/8,865.18
  6. Step 6: Final answer
    x = 6,743.46

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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.