Home / 7,531.61-11,295.15-2,850.05

Finding the Fourth Proportional to 7,531.61, 11,295.15 and 2,850.05

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Solution

The fourth proportional to 7,531.61, 11,295.15 and 2,850.05 is: 4,274.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,531.61 : 11,295.15 = 2,850.05 : x
  2. Step 2: Convert to fraction form
    7,531.61/11,295.15 = 2,850.05/x
  3. Step 3: Cross multiply
    7,531.61x = 11,295.15 × 2,850.05
  4. Step 4: Simplify right side
    7,531.61x = 32,191,742.26
  5. Step 5: Solve for x
    x = 32,191,742.26/7,531.61
  6. Step 6: Final answer
    x = 4,274.22

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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.