Home / 6,890.13-10,332.63-2,993.76

Finding the Fourth Proportional to 6,890.13, 10,332.63 and 2,993.76

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Solution

The fourth proportional to 6,890.13, 10,332.63 and 2,993.76 is: 4,489.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,890.13 : 10,332.63 = 2,993.76 : x
  2. Step 2: Convert to fraction form
    6,890.13/10,332.63 = 2,993.76/x
  3. Step 3: Cross multiply
    6,890.13x = 10,332.63 × 2,993.76
  4. Step 4: Simplify right side
    6,890.13x = 30,933,414.39
  5. Step 5: Solve for x
    x = 30,933,414.39/6,890.13
  6. Step 6: Final answer
    x = 4,489.53

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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.