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Finding the Fourth Proportional to 4,777.57, 7,166.04 and 2,928.94

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Solution

The fourth proportional to 4,777.57, 7,166.04 and 2,928.94 is: 4,393.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,777.57 : 7,166.04 = 2,928.94 : x
  2. Step 2: Convert to fraction form
    4,777.57/7,166.04 = 2,928.94/x
  3. Step 3: Cross multiply
    4,777.57x = 7,166.04 × 2,928.94
  4. Step 4: Simplify right side
    4,777.57x = 20,988,901.20
  5. Step 5: Solve for x
    x = 20,988,901.20/4,777.57
  6. Step 6: Final answer
    x = 4,393.22

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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.