Home / 4,889.46-7,333.06-2,915.65

Finding the Fourth Proportional to 4,889.46, 7,333.06 and 2,915.65

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Solution

The fourth proportional to 4,889.46, 7,333.06 and 2,915.65 is: 4,372.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,889.46 : 7,333.06 = 2,915.65 : x
  2. Step 2: Convert to fraction form
    4,889.46/7,333.06 = 2,915.65/x
  3. Step 3: Cross multiply
    4,889.46x = 7,333.06 × 2,915.65
  4. Step 4: Simplify right side
    4,889.46x = 21,380,636.39
  5. Step 5: Solve for x
    x = 21,380,636.39/4,889.46
  6. Step 6: Final answer
    x = 4,372.80

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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.