Home / 4,818.63-7,236.18-2,980.61

Finding the Fourth Proportional to 4,818.63, 7,236.18 and 2,980.61

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Solution

The fourth proportional to 4,818.63, 7,236.18 and 2,980.61 is: 4,476.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,818.63 : 7,236.18 = 2,980.61 : x
  2. Step 2: Convert to fraction form
    4,818.63/7,236.18 = 2,980.61/x
  3. Step 3: Cross multiply
    4,818.63x = 7,236.18 × 2,980.61
  4. Step 4: Simplify right side
    4,818.63x = 21,568,230.47
  5. Step 5: Solve for x
    x = 21,568,230.47/4,818.63
  6. Step 6: Final answer
    x = 4,476.01

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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.