Home / 5,510.57-8,266.38-1,812.81

Finding the Fourth Proportional to 5,510.57, 8,266.38 and 1,812.81

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Solution

The fourth proportional to 5,510.57, 8,266.38 and 1,812.81 is: 2,719.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,510.57 : 8,266.38 = 1,812.81 : x
  2. Step 2: Convert to fraction form
    5,510.57/8,266.38 = 1,812.81/x
  3. Step 3: Cross multiply
    5,510.57x = 8,266.38 × 1,812.81
  4. Step 4: Simplify right side
    5,510.57x = 14,985,369.53
  5. Step 5: Solve for x
    x = 14,985,369.53/5,510.57
  6. Step 6: Final answer
    x = 2,719.39

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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.