Home / 5,531.65-8,299.47-2,758.09

Finding the Fourth Proportional to 5,531.65, 8,299.47 and 2,758.09

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Solution

The fourth proportional to 5,531.65, 8,299.47 and 2,758.09 is: 4,138.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,531.65 : 8,299.47 = 2,758.09 : x
  2. Step 2: Convert to fraction form
    5,531.65/8,299.47 = 2,758.09/x
  3. Step 3: Cross multiply
    5,531.65x = 8,299.47 × 2,758.09
  4. Step 4: Simplify right side
    5,531.65x = 22,890,685.21
  5. Step 5: Solve for x
    x = 22,890,685.21/5,531.65
  6. Step 6: Final answer
    x = 4,138.13

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1.5x scale

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.