Home / 5,227.92-7,214.56-2,870.08

Finding the Fourth Proportional to 5,227.92, 7,214.56 and 2,870.08

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Solution

The fourth proportional to 5,227.92, 7,214.56 and 2,870.08 is: 3,960.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,227.92 : 7,214.56 = 2,870.08 : x
  2. Step 2: Convert to fraction form
    5,227.92/7,214.56 = 2,870.08/x
  3. Step 3: Cross multiply
    5,227.92x = 7,214.56 × 2,870.08
  4. Step 4: Simplify right side
    5,227.92x = 20,706,364.36
  5. Step 5: Solve for x
    x = 20,706,364.36/5,227.92
  6. Step 6: Final answer
    x = 3,960.73

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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.