Home / 5,511.31-8,263.29-1,812.25

Finding the Fourth Proportional to 5,511.31, 8,263.29 and 1,812.25

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Solution

The fourth proportional to 5,511.31, 8,263.29 and 1,812.25 is: 2,717.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,511.31 : 8,263.29 = 1,812.25 : x
  2. Step 2: Convert to fraction form
    5,511.31/8,263.29 = 1,812.25/x
  3. Step 3: Cross multiply
    5,511.31x = 8,263.29 × 1,812.25
  4. Step 4: Simplify right side
    5,511.31x = 14,975,147.30
  5. Step 5: Solve for x
    x = 14,975,147.30/5,511.31
  6. Step 6: Final answer
    x = 2,717.17

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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.