Home / 7,121.16-10,681.89-2,441.15

Finding the Fourth Proportional to 7,121.16, 10,681.89 and 2,441.15

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Solution

The fourth proportional to 7,121.16, 10,681.89 and 2,441.15 is: 3,661.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,121.16 : 10,681.89 = 2,441.15 : x
  2. Step 2: Convert to fraction form
    7,121.16/10,681.89 = 2,441.15/x
  3. Step 3: Cross multiply
    7,121.16x = 10,681.89 × 2,441.15
  4. Step 4: Simplify right side
    7,121.16x = 26,076,042.36
  5. Step 5: Solve for x
    x = 26,076,042.36/7,121.16
  6. Step 6: Final answer
    x = 3,661.77

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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.