Home / 7,655.39-11,483.70-2,109.18

Finding the Fourth Proportional to 7,655.39, 11,483.70 and 2,109.18

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Solution

The fourth proportional to 7,655.39, 11,483.70 and 2,109.18 is: 3,163.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,655.39 : 11,483.70 = 2,109.18 : x
  2. Step 2: Convert to fraction form
    7,655.39/11,483.70 = 2,109.18/x
  3. Step 3: Cross multiply
    7,655.39x = 11,483.70 × 2,109.18
  4. Step 4: Simplify right side
    7,655.39x = 24,221,190.37
  5. Step 5: Solve for x
    x = 24,221,190.37/7,655.39
  6. Step 6: Final answer
    x = 3,163.94

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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.