Home / 7,184.80-10,761.71-3,890.93

Finding the Fourth Proportional to 7,184.80, 10,761.71 and 3,890.93

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Solution

The fourth proportional to 7,184.80, 10,761.71 and 3,890.93 is: 5,828.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,184.80 : 10,761.71 = 3,890.93 : x
  2. Step 2: Convert to fraction form
    7,184.80/10,761.71 = 3,890.93/x
  3. Step 3: Cross multiply
    7,184.80x = 10,761.71 × 3,890.93
  4. Step 4: Simplify right side
    7,184.80x = 41,873,067.74
  5. Step 5: Solve for x
    x = 41,873,067.74/7,184.80
  6. Step 6: Final answer
    x = 5,828.01

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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.