Home / 7,746.39-11,619.62-1,903

Finding the Fourth Proportional to 7,746.39, 11,619.62 and 1,903

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Solution

The fourth proportional to 7,746.39, 11,619.62 and 1,903 is: 2,854.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,746.39 : 11,619.62 = 1,903 : x
  2. Step 2: Convert to fraction form
    7,746.39/11,619.62 = 1,903/x
  3. Step 3: Cross multiply
    7,746.39x = 11,619.62 × 1,903
  4. Step 4: Simplify right side
    7,746.39x = 22,112,136.86
  5. Step 5: Solve for x
    x = 22,112,136.86/7,746.39
  6. Step 6: Final answer
    x = 2,854.51

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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.