Home / 7,423.53-11,141.93-3,915.82

Finding the Fourth Proportional to 7,423.53, 11,141.93 and 3,915.82

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Solution

The fourth proportional to 7,423.53, 11,141.93 and 3,915.82 is: 5,877.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,423.53 : 11,141.93 = 3,915.82 : x
  2. Step 2: Convert to fraction form
    7,423.53/11,141.93 = 3,915.82/x
  3. Step 3: Cross multiply
    7,423.53x = 11,141.93 × 3,915.82
  4. Step 4: Simplify right side
    7,423.53x = 43,629,792.33
  5. Step 5: Solve for x
    x = 43,629,792.33/7,423.53
  6. Step 6: Final answer
    x = 5,877.23

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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.