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Finding the Fourth Proportional to 4,937.10, 7,355.96 and 4,865.82

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Solution

The fourth proportional to 4,937.10, 7,355.96 and 4,865.82 is: 7,249.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,937.10 : 7,355.96 = 4,865.82 : x
  2. Step 2: Convert to fraction form
    4,937.10/7,355.96 = 4,865.82/x
  3. Step 3: Cross multiply
    4,937.10x = 7,355.96 × 4,865.82
  4. Step 4: Simplify right side
    4,937.10x = 35,792,752.96
  5. Step 5: Solve for x
    x = 35,792,752.96/4,937.10
  6. Step 6: Final answer
    x = 7,249.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.