Home / 7,898.64-11,835-2,701.68

Finding the Fourth Proportional to 7,898.64, 11,835 and 2,701.68

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Solution

The fourth proportional to 7,898.64, 11,835 and 2,701.68 is: 4,048.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,898.64 : 11,835 = 2,701.68 : x
  2. Step 2: Convert to fraction form
    7,898.64/11,835 = 2,701.68/x
  3. Step 3: Cross multiply
    7,898.64x = 11,835 × 2,701.68
  4. Step 4: Simplify right side
    7,898.64x = 31,974,382.80
  5. Step 5: Solve for x
    x = 31,974,382.80/7,898.64
  6. Step 6: Final answer
    x = 4,048.09

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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.