Home / 7,656.32-11,484.45-2,109.71

Finding the Fourth Proportional to 7,656.32, 11,484.45 and 2,109.71

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Solution

The fourth proportional to 7,656.32, 11,484.45 and 2,109.71 is: 3,164.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,656.32 : 11,484.45 = 2,109.71 : x
  2. Step 2: Convert to fraction form
    7,656.32/11,484.45 = 2,109.71/x
  3. Step 3: Cross multiply
    7,656.32x = 11,484.45 × 2,109.71
  4. Step 4: Simplify right side
    7,656.32x = 24,228,887.72
  5. Step 5: Solve for x
    x = 24,228,887.72/7,656.32
  6. Step 6: Final answer
    x = 3,164.56

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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.