Home / 5,726.95-8,587.71-2,218.60

Finding the Fourth Proportional to 5,726.95, 8,587.71 and 2,218.60

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Solution

The fourth proportional to 5,726.95, 8,587.71 and 2,218.60 is: 3,326.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,726.95 : 8,587.71 = 2,218.60 : x
  2. Step 2: Convert to fraction form
    5,726.95/8,587.71 = 2,218.60/x
  3. Step 3: Cross multiply
    5,726.95x = 8,587.71 × 2,218.60
  4. Step 4: Simplify right side
    5,726.95x = 19,052,693.41
  5. Step 5: Solve for x
    x = 19,052,693.41/5,726.95
  6. Step 6: Final answer
    x = 3,326.85

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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.