Home / 5,255.02-7,251.83-2,865.02

Finding the Fourth Proportional to 5,255.02, 7,251.83 and 2,865.02

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Solution

The fourth proportional to 5,255.02, 7,251.83 and 2,865.02 is: 3,953.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,255.02 : 7,251.83 = 2,865.02 : x
  2. Step 2: Convert to fraction form
    5,255.02/7,251.83 = 2,865.02/x
  3. Step 3: Cross multiply
    5,255.02x = 7,251.83 × 2,865.02
  4. Step 4: Simplify right side
    5,255.02x = 20,776,601.73
  5. Step 5: Solve for x
    x = 20,776,601.73/5,255.02
  6. Step 6: Final answer
    x = 3,953.67

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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.