Home / 7,947.77-11,920.37-3,266.83

Finding the Fourth Proportional to 7,947.77, 11,920.37 and 3,266.83

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Solution

The fourth proportional to 7,947.77, 11,920.37 and 3,266.83 is: 4,899.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,947.77 : 11,920.37 = 3,266.83 : x
  2. Step 2: Convert to fraction form
    7,947.77/11,920.37 = 3,266.83/x
  3. Step 3: Cross multiply
    7,947.77x = 11,920.37 × 3,266.83
  4. Step 4: Simplify right side
    7,947.77x = 38,941,820.89
  5. Step 5: Solve for x
    x = 38,941,820.89/7,947.77
  6. Step 6: Final answer
    x = 4,899.72

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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.