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Finding the Fourth Proportional to 4,777.53, 7,167.01 and 1,490.88

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Solution

The fourth proportional to 4,777.53, 7,167.01 and 1,490.88 is: 2,236.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,777.53 : 7,167.01 = 1,490.88 : x
  2. Step 2: Convert to fraction form
    4,777.53/7,167.01 = 1,490.88/x
  3. Step 3: Cross multiply
    4,777.53x = 7,167.01 × 1,490.88
  4. Step 4: Simplify right side
    4,777.53x = 10,685,151.87
  5. Step 5: Solve for x
    x = 10,685,151.87/4,777.53
  6. Step 6: Final answer
    x = 2,236.54

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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.