Home / 7,360.32-10,160.44-5,121.38

Finding the Fourth Proportional to 7,360.32, 10,160.44 and 5,121.38

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Solution

The fourth proportional to 7,360.32, 10,160.44 and 5,121.38 is: 7,069.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,360.32 : 10,160.44 = 5,121.38 : x
  2. Step 2: Convert to fraction form
    7,360.32/10,160.44 = 5,121.38/x
  3. Step 3: Cross multiply
    7,360.32x = 10,160.44 × 5,121.38
  4. Step 4: Simplify right side
    7,360.32x = 52,035,429.65
  5. Step 5: Solve for x
    x = 52,035,429.65/7,360.32
  6. Step 6: Final answer
    x = 7,069.73

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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.