Home / 7,122.94-10,688.66-3,227.34

Finding the Fourth Proportional to 7,122.94, 10,688.66 and 3,227.34

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Solution

The fourth proportional to 7,122.94, 10,688.66 and 3,227.34 is: 4,842.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,122.94 : 10,688.66 = 3,227.34 : x
  2. Step 2: Convert to fraction form
    7,122.94/10,688.66 = 3,227.34/x
  3. Step 3: Cross multiply
    7,122.94x = 10,688.66 × 3,227.34
  4. Step 4: Simplify right side
    7,122.94x = 34,495,976.01
  5. Step 5: Solve for x
    x = 34,495,976.01/7,122.94
  6. Step 6: Final answer
    x = 4,842.94

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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.