Home / 5,237.76-7,227.88-2,847.64

Finding the Fourth Proportional to 5,237.76, 7,227.88 and 2,847.64

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Solution

The fourth proportional to 5,237.76, 7,227.88 and 2,847.64 is: 3,929.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,237.76 : 7,227.88 = 2,847.64 : x
  2. Step 2: Convert to fraction form
    5,237.76/7,227.88 = 2,847.64/x
  3. Step 3: Cross multiply
    5,237.76x = 7,227.88 × 2,847.64
  4. Step 4: Simplify right side
    5,237.76x = 20,582,400.20
  5. Step 5: Solve for x
    x = 20,582,400.20/5,237.76
  6. Step 6: Final answer
    x = 3,929.62

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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.