Home / 4,980.83-7,463.34-2,640.74

Finding the Fourth Proportional to 4,980.83, 7,463.34 and 2,640.74

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Solution

The fourth proportional to 4,980.83, 7,463.34 and 2,640.74 is: 3,956.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,980.83 : 7,463.34 = 2,640.74 : x
  2. Step 2: Convert to fraction form
    4,980.83/7,463.34 = 2,640.74/x
  3. Step 3: Cross multiply
    4,980.83x = 7,463.34 × 2,640.74
  4. Step 4: Simplify right side
    4,980.83x = 19,708,703.15
  5. Step 5: Solve for x
    x = 19,708,703.15/4,980.83
  6. Step 6: Final answer
    x = 3,956.92

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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.