Home / 7,746.42-11,618.88-2,199.72

Finding the Fourth Proportional to 7,746.42, 11,618.88 and 2,199.72

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Solution

The fourth proportional to 7,746.42, 11,618.88 and 2,199.72 is: 3,299.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,746.42 : 11,618.88 = 2,199.72 : x
  2. Step 2: Convert to fraction form
    7,746.42/11,618.88 = 2,199.72/x
  3. Step 3: Cross multiply
    7,746.42x = 11,618.88 × 2,199.72
  4. Step 4: Simplify right side
    7,746.42x = 25,558,282.71
  5. Step 5: Solve for x
    x = 25,558,282.71/7,746.42
  6. Step 6: Final answer
    x = 3,299.37

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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.