Home / 5,745-8,616.96-2,047.08

Finding the Fourth Proportional to 5,745, 8,616.96 and 2,047.08

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Solution

The fourth proportional to 5,745, 8,616.96 and 2,047.08 is: 3,070.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,745 : 8,616.96 = 2,047.08 : x
  2. Step 2: Convert to fraction form
    5,745/8,616.96 = 2,047.08/x
  3. Step 3: Cross multiply
    5,745x = 8,616.96 × 2,047.08
  4. Step 4: Simplify right side
    5,745x = 17,639,606.48
  5. Step 5: Solve for x
    x = 17,639,606.48/5,745
  6. Step 6: Final answer
    x = 3,070.43

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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.