Home / 4,917.84-7,378.02-1,631.85

Finding the Fourth Proportional to 4,917.84, 7,378.02 and 1,631.85

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Solution

The fourth proportional to 4,917.84, 7,378.02 and 1,631.85 is: 2,448.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,917.84 : 7,378.02 = 1,631.85 : x
  2. Step 2: Convert to fraction form
    4,917.84/7,378.02 = 1,631.85/x
  3. Step 3: Cross multiply
    4,917.84x = 7,378.02 × 1,631.85
  4. Step 4: Simplify right side
    4,917.84x = 12,039,821.94
  5. Step 5: Solve for x
    x = 12,039,821.94/4,917.84
  6. Step 6: Final answer
    x = 2,448.19

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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.