Home / 7,288.26-10,914.68-4,158.82

Finding the Fourth Proportional to 7,288.26, 10,914.68 and 4,158.82

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Solution

The fourth proportional to 7,288.26, 10,914.68 and 4,158.82 is: 6,228.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,288.26 : 10,914.68 = 4,158.82 : x
  2. Step 2: Convert to fraction form
    7,288.26/10,914.68 = 4,158.82/x
  3. Step 3: Cross multiply
    7,288.26x = 10,914.68 × 4,158.82
  4. Step 4: Simplify right side
    7,288.26x = 45,392,189.48
  5. Step 5: Solve for x
    x = 45,392,189.48/7,288.26
  6. Step 6: Final answer
    x = 6,228.12

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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.