Home / 9,172.92-13,762.23-3,329.58

Finding the Fourth Proportional to 9,172.92, 13,762.23 and 3,329.58

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Solution

The fourth proportional to 9,172.92, 13,762.23 and 3,329.58 is: 4,995.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,172.92 : 13,762.23 = 3,329.58 : x
  2. Step 2: Convert to fraction form
    9,172.92/13,762.23 = 3,329.58/x
  3. Step 3: Cross multiply
    9,172.92x = 13,762.23 × 3,329.58
  4. Step 4: Simplify right side
    9,172.92x = 45,822,445.76
  5. Step 5: Solve for x
    x = 45,822,445.76/9,172.92
  6. Step 6: Final answer
    x = 4,995.40

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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.