Home / 5,340.70-7,369.95-3,103.21

Finding the Fourth Proportional to 5,340.70, 7,369.95 and 3,103.21

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Solution

The fourth proportional to 5,340.70, 7,369.95 and 3,103.21 is: 4,282.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,340.70 : 7,369.95 = 3,103.21 : x
  2. Step 2: Convert to fraction form
    5,340.70/7,369.95 = 3,103.21/x
  3. Step 3: Cross multiply
    5,340.70x = 7,369.95 × 3,103.21
  4. Step 4: Simplify right side
    5,340.70x = 22,870,502.54
  5. Step 5: Solve for x
    x = 22,870,502.54/5,340.70
  6. Step 6: Final answer
    x = 4,282.30

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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.