Home / 7,960.53-11,941.08-2,117.16

Finding the Fourth Proportional to 7,960.53, 11,941.08 and 2,117.16

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Solution

The fourth proportional to 7,960.53, 11,941.08 and 2,117.16 is: 3,175.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,960.53 : 11,941.08 = 2,117.16 : x
  2. Step 2: Convert to fraction form
    7,960.53/11,941.08 = 2,117.16/x
  3. Step 3: Cross multiply
    7,960.53x = 11,941.08 × 2,117.16
  4. Step 4: Simplify right side
    7,960.53x = 25,281,176.93
  5. Step 5: Solve for x
    x = 25,281,176.93/7,960.53
  6. Step 6: Final answer
    x = 3,175.82

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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.