Home / 5,513.76-8,271.18-1,816.02

Finding the Fourth Proportional to 5,513.76, 8,271.18 and 1,816.02

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Solution

The fourth proportional to 5,513.76, 8,271.18 and 1,816.02 is: 2,724.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,513.76 : 8,271.18 = 1,816.02 : x
  2. Step 2: Convert to fraction form
    5,513.76/8,271.18 = 1,816.02/x
  3. Step 3: Cross multiply
    5,513.76x = 8,271.18 × 1,816.02
  4. Step 4: Simplify right side
    5,513.76x = 15,020,628.30
  5. Step 5: Solve for x
    x = 15,020,628.30/5,513.76
  6. Step 6: Final answer
    x = 2,724.21

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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.