Home / 6,390.13-9,589.52-2,286.13

Finding the Fourth Proportional to 6,390.13, 9,589.52 and 2,286.13

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Solution

The fourth proportional to 6,390.13, 9,589.52 and 2,286.13 is: 3,430.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,390.13 : 9,589.52 = 2,286.13 : x
  2. Step 2: Convert to fraction form
    6,390.13/9,589.52 = 2,286.13/x
  3. Step 3: Cross multiply
    6,390.13x = 9,589.52 × 2,286.13
  4. Step 4: Simplify right side
    6,390.13x = 21,922,889.36
  5. Step 5: Solve for x
    x = 21,922,889.36/6,390.13
  6. Step 6: Final answer
    x = 3,430.74

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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.