Home / 8,056.80-11,118.50-4,869.65

Finding the Fourth Proportional to 8,056.80, 11,118.50 and 4,869.65

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Solution

The fourth proportional to 8,056.80, 11,118.50 and 4,869.65 is: 6,720.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,056.80 : 11,118.50 = 4,869.65 : x
  2. Step 2: Convert to fraction form
    8,056.80/11,118.50 = 4,869.65/x
  3. Step 3: Cross multiply
    8,056.80x = 11,118.50 × 4,869.65
  4. Step 4: Simplify right side
    8,056.80x = 54,143,123.58
  5. Step 5: Solve for x
    x = 54,143,123.58/8,056.80
  6. Step 6: Final answer
    x = 6,720.18

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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.