Home / 4,915.71-7,373.43-1,993.92

Finding the Fourth Proportional to 4,915.71, 7,373.43 and 1,993.92

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Solution

The fourth proportional to 4,915.71, 7,373.43 and 1,993.92 is: 2,990.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,915.71 : 7,373.43 = 1,993.92 : x
  2. Step 2: Convert to fraction form
    4,915.71/7,373.43 = 1,993.92/x
  3. Step 3: Cross multiply
    4,915.71x = 7,373.43 × 1,993.92
  4. Step 4: Simplify right side
    4,915.71x = 14,702,029.55
  5. Step 5: Solve for x
    x = 14,702,029.55/4,915.71
  6. Step 6: Final answer
    x = 2,990.83

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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.