Home / 5,286.28-7,295.05-3,048.15

Finding the Fourth Proportional to 5,286.28, 7,295.05 and 3,048.15

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Solution

The fourth proportional to 5,286.28, 7,295.05 and 3,048.15 is: 4,206.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,286.28 : 7,295.05 = 3,048.15 : x
  2. Step 2: Convert to fraction form
    5,286.28/7,295.05 = 3,048.15/x
  3. Step 3: Cross multiply
    5,286.28x = 7,295.05 × 3,048.15
  4. Step 4: Simplify right side
    5,286.28x = 22,236,379.64
  5. Step 5: Solve for x
    x = 22,236,379.64/5,286.28
  6. Step 6: Final answer
    x = 4,206.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.