Home / 5,381.01-8,071.38-2,217.75

Finding the Fourth Proportional to 5,381.01, 8,071.38 and 2,217.75

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Solution

The fourth proportional to 5,381.01, 8,071.38 and 2,217.75 is: 3,326.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,381.01 : 8,071.38 = 2,217.75 : x
  2. Step 2: Convert to fraction form
    5,381.01/8,071.38 = 2,217.75/x
  3. Step 3: Cross multiply
    5,381.01x = 8,071.38 × 2,217.75
  4. Step 4: Simplify right side
    5,381.01x = 17,900,303.00
  5. Step 5: Solve for x
    x = 17,900,303.00/5,381.01
  6. Step 6: Final answer
    x = 3,326.57

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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.