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Finding the Fourth Proportional to 4,833.76, 7,250.64 and 1,371

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Solution

The fourth proportional to 4,833.76, 7,250.64 and 1,371 is: 2,056.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,833.76 : 7,250.64 = 1,371 : x
  2. Step 2: Convert to fraction form
    4,833.76/7,250.64 = 1,371/x
  3. Step 3: Cross multiply
    4,833.76x = 7,250.64 × 1,371
  4. Step 4: Simplify right side
    4,833.76x = 9,940,627.44
  5. Step 5: Solve for x
    x = 9,940,627.44/4,833.76
  6. Step 6: Final answer
    x = 2,056.50

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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.