Home / 5,276.45-7,915.35-1,944.92

Finding the Fourth Proportional to 5,276.45, 7,915.35 and 1,944.92

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Solution

The fourth proportional to 5,276.45, 7,915.35 and 1,944.92 is: 2,917.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,276.45 : 7,915.35 = 1,944.92 : x
  2. Step 2: Convert to fraction form
    5,276.45/7,915.35 = 1,944.92/x
  3. Step 3: Cross multiply
    5,276.45x = 7,915.35 × 1,944.92
  4. Step 4: Simplify right side
    5,276.45x = 15,394,722.52
  5. Step 5: Solve for x
    x = 15,394,722.52/5,276.45
  6. Step 6: Final answer
    x = 2,917.63

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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.