Home / 5,286.35-7,292.75-3,715.36

Finding the Fourth Proportional to 5,286.35, 7,292.75 and 3,715.36

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Solution

The fourth proportional to 5,286.35, 7,292.75 and 3,715.36 is: 5,125.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,286.35 : 7,292.75 = 3,715.36 : x
  2. Step 2: Convert to fraction form
    5,286.35/7,292.75 = 3,715.36/x
  3. Step 3: Cross multiply
    5,286.35x = 7,292.75 × 3,715.36
  4. Step 4: Simplify right side
    5,286.35x = 27,095,191.64
  5. Step 5: Solve for x
    x = 27,095,191.64/5,286.35
  6. Step 6: Final answer
    x = 5,125.50

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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.