Home / 7,664.90-11,495.98-2,117.34

Finding the Fourth Proportional to 7,664.90, 11,495.98 and 2,117.34

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Solution

The fourth proportional to 7,664.90, 11,495.98 and 2,117.34 is: 3,175.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,664.90 : 11,495.98 = 2,117.34 : x
  2. Step 2: Convert to fraction form
    7,664.90/11,495.98 = 2,117.34/x
  3. Step 3: Cross multiply
    7,664.90x = 11,495.98 × 2,117.34
  4. Step 4: Simplify right side
    7,664.90x = 24,340,898.29
  5. Step 5: Solve for x
    x = 24,340,898.29/7,664.90
  6. Step 6: Final answer
    x = 3,175.63

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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.