Home / 5,725.48-8,589.44-1,776.65

Finding the Fourth Proportional to 5,725.48, 8,589.44 and 1,776.65

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Solution

The fourth proportional to 5,725.48, 8,589.44 and 1,776.65 is: 2,665.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,725.48 : 8,589.44 = 1,776.65 : x
  2. Step 2: Convert to fraction form
    5,725.48/8,589.44 = 1,776.65/x
  3. Step 3: Cross multiply
    5,725.48x = 8,589.44 × 1,776.65
  4. Step 4: Simplify right side
    5,725.48x = 15,260,407.10
  5. Step 5: Solve for x
    x = 15,260,407.10/5,725.48
  6. Step 6: Final answer
    x = 2,665.35

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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.