Home / 5,382.59-8,066.90-2,605.41

Finding the Fourth Proportional to 5,382.59, 8,066.90 and 2,605.41

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Solution

The fourth proportional to 5,382.59, 8,066.90 and 2,605.41 is: 3,904.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,382.59 : 8,066.90 = 2,605.41 : x
  2. Step 2: Convert to fraction form
    5,382.59/8,066.90 = 2,605.41/x
  3. Step 3: Cross multiply
    5,382.59x = 8,066.90 × 2,605.41
  4. Step 4: Simplify right side
    5,382.59x = 21,017,588.44
  5. Step 5: Solve for x
    x = 21,017,588.44/5,382.59
  6. Step 6: Final answer
    x = 3,904.73

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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.