Home / 4,915.72-6,790.33-3,927.93

Finding the Fourth Proportional to 4,915.72, 6,790.33 and 3,927.93

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Solution

The fourth proportional to 4,915.72, 6,790.33 and 3,927.93 is: 5,425.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,915.72 : 6,790.33 = 3,927.93 : x
  2. Step 2: Convert to fraction form
    4,915.72/6,790.33 = 3,927.93/x
  3. Step 3: Cross multiply
    4,915.72x = 6,790.33 × 3,927.93
  4. Step 4: Simplify right side
    4,915.72x = 26,671,940.92
  5. Step 5: Solve for x
    x = 26,671,940.92/4,915.72
  6. Step 6: Final answer
    x = 5,425.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.