Home / 7,898.28-11,837.14-3,212.83

Finding the Fourth Proportional to 7,898.28, 11,837.14 and 3,212.83

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Solution

The fourth proportional to 7,898.28, 11,837.14 and 3,212.83 is: 4,815.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,898.28 : 11,837.14 = 3,212.83 : x
  2. Step 2: Convert to fraction form
    7,898.28/11,837.14 = 3,212.83/x
  3. Step 3: Cross multiply
    7,898.28x = 11,837.14 × 3,212.83
  4. Step 4: Simplify right side
    7,898.28x = 38,030,718.51
  5. Step 5: Solve for x
    x = 38,030,718.51/7,898.28
  6. Step 6: Final answer
    x = 4,815.06

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1.5x scale

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.