Home / 4,777.79-7,166.88-2,927.75

Finding the Fourth Proportional to 4,777.79, 7,166.88 and 2,927.75

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Solution

The fourth proportional to 4,777.79, 7,166.88 and 2,927.75 is: 4,391.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,777.79 : 7,166.88 = 2,927.75 : x
  2. Step 2: Convert to fraction form
    4,777.79/7,166.88 = 2,927.75/x
  3. Step 3: Cross multiply
    4,777.79x = 7,166.88 × 2,927.75
  4. Step 4: Simplify right side
    4,777.79x = 20,982,797.09
  5. Step 5: Solve for x
    x = 20,982,797.09/4,777.79
  6. Step 6: Final answer
    x = 4,391.74

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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.