Home / 8,869.65-13,297.27-3,319.89

Finding the Fourth Proportional to 8,869.65, 13,297.27 and 3,319.89

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Solution

The fourth proportional to 8,869.65, 13,297.27 and 3,319.89 is: 4,977.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,869.65 : 13,297.27 = 3,319.89 : x
  2. Step 2: Convert to fraction form
    8,869.65/13,297.27 = 3,319.89/x
  3. Step 3: Cross multiply
    8,869.65x = 13,297.27 × 3,319.89
  4. Step 4: Simplify right side
    8,869.65x = 44,145,434.24
  5. Step 5: Solve for x
    x = 44,145,434.24/8,869.65
  6. Step 6: Final answer
    x = 4,977.13

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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.