Home / 5,521.11-8,280.49-1,822.46

Finding the Fourth Proportional to 5,521.11, 8,280.49 and 1,822.46

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Solution

The fourth proportional to 5,521.11, 8,280.49 and 1,822.46 is: 2,733.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,521.11 : 8,280.49 = 1,822.46 : x
  2. Step 2: Convert to fraction form
    5,521.11/8,280.49 = 1,822.46/x
  3. Step 3: Cross multiply
    5,521.11x = 8,280.49 × 1,822.46
  4. Step 4: Simplify right side
    5,521.11x = 15,090,880.05
  5. Step 5: Solve for x
    x = 15,090,880.05/5,521.11
  6. Step 6: Final answer
    x = 2,733.30

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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.