Home / 7,218.01-10,806.51-4,991.83

Finding the Fourth Proportional to 7,218.01, 10,806.51 and 4,991.83

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Solution

The fourth proportional to 7,218.01, 10,806.51 and 4,991.83 is: 7,473.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,218.01 : 10,806.51 = 4,991.83 : x
  2. Step 2: Convert to fraction form
    7,218.01/10,806.51 = 4,991.83/x
  3. Step 3: Cross multiply
    7,218.01x = 10,806.51 × 4,991.83
  4. Step 4: Simplify right side
    7,218.01x = 53,944,252.52
  5. Step 5: Solve for x
    x = 53,944,252.52/7,218.01
  6. Step 6: Final answer
    x = 7,473.56

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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.