Home / 5,725.29-8,589.33-1,776.45

Finding the Fourth Proportional to 5,725.29, 8,589.33 and 1,776.45

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Solution

The fourth proportional to 5,725.29, 8,589.33 and 1,776.45 is: 2,665.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,725.29 : 8,589.33 = 1,776.45 : x
  2. Step 2: Convert to fraction form
    5,725.29/8,589.33 = 1,776.45/x
  3. Step 3: Cross multiply
    5,725.29x = 8,589.33 × 1,776.45
  4. Step 4: Simplify right side
    5,725.29x = 15,258,515.28
  5. Step 5: Solve for x
    x = 15,258,515.28/5,725.29
  6. Step 6: Final answer
    x = 2,665.11

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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.