Home / 7,282.17-10,915.45-3,768.63

Finding the Fourth Proportional to 7,282.17, 10,915.45 and 3,768.63

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Solution

The fourth proportional to 7,282.17, 10,915.45 and 3,768.63 is: 5,648.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,282.17 : 10,915.45 = 3,768.63 : x
  2. Step 2: Convert to fraction form
    7,282.17/10,915.45 = 3,768.63/x
  3. Step 3: Cross multiply
    7,282.17x = 10,915.45 × 3,768.63
  4. Step 4: Simplify right side
    7,282.17x = 41,136,292.33
  5. Step 5: Solve for x
    x = 41,136,292.33/7,282.17
  6. Step 6: Final answer
    x = 5,648.91

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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.