Home / 5,513.16-8,270.28-1,813.88

Finding the Fourth Proportional to 5,513.16, 8,270.28 and 1,813.88

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Solution

The fourth proportional to 5,513.16, 8,270.28 and 1,813.88 is: 2,721.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,513.16 : 8,270.28 = 1,813.88 : x
  2. Step 2: Convert to fraction form
    5,513.16/8,270.28 = 1,813.88/x
  3. Step 3: Cross multiply
    5,513.16x = 8,270.28 × 1,813.88
  4. Step 4: Simplify right side
    5,513.16x = 15,001,295.49
  5. Step 5: Solve for x
    x = 15,001,295.49/5,513.16
  6. Step 6: Final answer
    x = 2,721.00

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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.