Home / 7,116.78-10,669.62-4,342.95

Finding the Fourth Proportional to 7,116.78, 10,669.62 and 4,342.95

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Solution

The fourth proportional to 7,116.78, 10,669.62 and 4,342.95 is: 6,511.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,116.78 : 10,669.62 = 4,342.95 : x
  2. Step 2: Convert to fraction form
    7,116.78/10,669.62 = 4,342.95/x
  3. Step 3: Cross multiply
    7,116.78x = 10,669.62 × 4,342.95
  4. Step 4: Simplify right side
    7,116.78x = 46,337,626.18
  5. Step 5: Solve for x
    x = 46,337,626.18/7,116.78
  6. Step 6: Final answer
    x = 6,511.04

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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.