Home / 7,657.44-11,484.71-2,109.40

Finding the Fourth Proportional to 7,657.44, 11,484.71 and 2,109.40

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Solution

The fourth proportional to 7,657.44, 11,484.71 and 2,109.40 is: 3,163.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,657.44 : 11,484.71 = 2,109.40 : x
  2. Step 2: Convert to fraction form
    7,657.44/11,484.71 = 2,109.40/x
  3. Step 3: Cross multiply
    7,657.44x = 11,484.71 × 2,109.40
  4. Step 4: Simplify right side
    7,657.44x = 24,225,847.27
  5. Step 5: Solve for x
    x = 24,225,847.27/7,657.44
  6. Step 6: Final answer
    x = 3,163.70

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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.