Home / 5,510.39-8,266.10-1,812.63

Finding the Fourth Proportional to 5,510.39, 8,266.10 and 1,812.63

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Solution

The fourth proportional to 5,510.39, 8,266.10 and 1,812.63 is: 2,719.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,510.39 : 8,266.10 = 1,812.63 : x
  2. Step 2: Convert to fraction form
    5,510.39/8,266.10 = 1,812.63/x
  3. Step 3: Cross multiply
    5,510.39x = 8,266.10 × 1,812.63
  4. Step 4: Simplify right side
    5,510.39x = 14,983,371.78
  5. Step 5: Solve for x
    x = 14,983,371.78/5,510.39
  6. Step 6: Final answer
    x = 2,719.12

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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.