Home / 7,912.35-11,869.29-2,364.66

Finding the Fourth Proportional to 7,912.35, 11,869.29 and 2,364.66

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Solution

The fourth proportional to 7,912.35, 11,869.29 and 2,364.66 is: 3,547.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,912.35 : 11,869.29 = 2,364.66 : x
  2. Step 2: Convert to fraction form
    7,912.35/11,869.29 = 2,364.66/x
  3. Step 3: Cross multiply
    7,912.35x = 11,869.29 × 2,364.66
  4. Step 4: Simplify right side
    7,912.35x = 28,066,835.29
  5. Step 5: Solve for x
    x = 28,066,835.29/7,912.35
  6. Step 6: Final answer
    x = 3,547.22

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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.