Home / 7,763.22-11,641.95-3,320.37

Finding the Fourth Proportional to 7,763.22, 11,641.95 and 3,320.37

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Solution

The fourth proportional to 7,763.22, 11,641.95 and 3,320.37 is: 4,979.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,763.22 : 11,641.95 = 3,320.37 : x
  2. Step 2: Convert to fraction form
    7,763.22/11,641.95 = 3,320.37/x
  3. Step 3: Cross multiply
    7,763.22x = 11,641.95 × 3,320.37
  4. Step 4: Simplify right side
    7,763.22x = 38,655,581.52
  5. Step 5: Solve for x
    x = 38,655,581.52/7,763.22
  6. Step 6: Final answer
    x = 4,979.32

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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.