Home / 5,511.29-7,605.77-3,386.12

Finding the Fourth Proportional to 5,511.29, 7,605.77 and 3,386.12

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Solution

The fourth proportional to 5,511.29, 7,605.77 and 3,386.12 is: 4,672.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,511.29 : 7,605.77 = 3,386.12 : x
  2. Step 2: Convert to fraction form
    5,511.29/7,605.77 = 3,386.12/x
  3. Step 3: Cross multiply
    5,511.29x = 7,605.77 × 3,386.12
  4. Step 4: Simplify right side
    5,511.29x = 25,754,052.00
  5. Step 5: Solve for x
    x = 25,754,052.00/5,511.29
  6. Step 6: Final answer
    x = 4,672.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.