Home / 5,510.50-8,266.46-1,813.11

Finding the Fourth Proportional to 5,510.50, 8,266.46 and 1,813.11

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Solution

The fourth proportional to 5,510.50, 8,266.46 and 1,813.11 is: 2,719.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,510.50 : 8,266.46 = 1,813.11 : x
  2. Step 2: Convert to fraction form
    5,510.50/8,266.46 = 1,813.11/x
  3. Step 3: Cross multiply
    5,510.50x = 8,266.46 × 1,813.11
  4. Step 4: Simplify right side
    5,510.50x = 14,987,974.82
  5. Step 5: Solve for x
    x = 14,987,974.82/5,510.50
  6. Step 6: Final answer
    x = 2,719.89

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Double scale
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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.