Home / 5,510.13-8,266.41-1,812.21

Finding the Fourth Proportional to 5,510.13, 8,266.41 and 1,812.21

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Solution

The fourth proportional to 5,510.13, 8,266.41 and 1,812.21 is: 2,718.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,510.13 : 8,266.41 = 1,812.21 : x
  2. Step 2: Convert to fraction form
    5,510.13/8,266.41 = 1,812.21/x
  3. Step 3: Cross multiply
    5,510.13x = 8,266.41 × 1,812.21
  4. Step 4: Simplify right side
    5,510.13x = 14,980,484.60
  5. Step 5: Solve for x
    x = 14,980,484.60/5,510.13
  6. Step 6: Final answer
    x = 2,718.72

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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.