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Finding the Fourth Proportional to 4,888.28, 7,333.08 and 1,425.50

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Solution

The fourth proportional to 4,888.28, 7,333.08 and 1,425.50 is: 2,138.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,888.28 : 7,333.08 = 1,425.50 : x
  2. Step 2: Convert to fraction form
    4,888.28/7,333.08 = 1,425.50/x
  3. Step 3: Cross multiply
    4,888.28x = 7,333.08 × 1,425.50
  4. Step 4: Simplify right side
    4,888.28x = 10,453,305.54
  5. Step 5: Solve for x
    x = 10,453,305.54/4,888.28
  6. Step 6: Final answer
    x = 2,138.44

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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.