Home / 5,725.88-8,587.80-2,605.15

Finding the Fourth Proportional to 5,725.88, 8,587.80 and 2,605.15

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Solution

The fourth proportional to 5,725.88, 8,587.80 and 2,605.15 is: 3,907.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,725.88 : 8,587.80 = 2,605.15 : x
  2. Step 2: Convert to fraction form
    5,725.88/8,587.80 = 2,605.15/x
  3. Step 3: Cross multiply
    5,725.88x = 8,587.80 × 2,605.15
  4. Step 4: Simplify right side
    5,725.88x = 22,372,507.17
  5. Step 5: Solve for x
    x = 22,372,507.17/5,725.88
  6. Step 6: Final answer
    x = 3,907.26

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1.5x scale

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.