Home / 7,214.19-10,813.51-3,508.66

Finding the Fourth Proportional to 7,214.19, 10,813.51 and 3,508.66

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Solution

The fourth proportional to 7,214.19, 10,813.51 and 3,508.66 is: 5,259.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,214.19 : 10,813.51 = 3,508.66 : x
  2. Step 2: Convert to fraction form
    7,214.19/10,813.51 = 3,508.66/x
  3. Step 3: Cross multiply
    7,214.19x = 10,813.51 × 3,508.66
  4. Step 4: Simplify right side
    7,214.19x = 37,940,930.00
  5. Step 5: Solve for x
    x = 37,940,930.00/7,214.19
  6. Step 6: Final answer
    x = 5,259.21

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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.