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Finding the Fourth Proportional to 4,441.70, 6,658.10 and 1,518.01

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Solution

The fourth proportional to 4,441.70, 6,658.10 and 1,518.01 is: 2,275.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,441.70 : 6,658.10 = 1,518.01 : x
  2. Step 2: Convert to fraction form
    4,441.70/6,658.10 = 1,518.01/x
  3. Step 3: Cross multiply
    4,441.70x = 6,658.10 × 1,518.01
  4. Step 4: Simplify right side
    4,441.70x = 10,107,043.84
  5. Step 5: Solve for x
    x = 10,107,043.84/4,441.70
  6. Step 6: Final answer
    x = 2,275.49

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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.