Home / 7,664.61-11,495.08-2,117.83

Finding the Fourth Proportional to 7,664.61, 11,495.08 and 2,117.83

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Solution

The fourth proportional to 7,664.61, 11,495.08 and 2,117.83 is: 3,176.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,664.61 : 11,495.08 = 2,117.83 : x
  2. Step 2: Convert to fraction form
    7,664.61/11,495.08 = 2,117.83/x
  3. Step 3: Cross multiply
    7,664.61x = 11,495.08 × 2,117.83
  4. Step 4: Simplify right side
    7,664.61x = 24,344,625.28
  5. Step 5: Solve for x
    x = 24,344,625.28/7,664.61
  6. Step 6: Final answer
    x = 3,176.24

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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.