Home / 7,160.04-10,738.71-1,966.32

Finding the Fourth Proportional to 7,160.04, 10,738.71 and 1,966.32

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Solution

The fourth proportional to 7,160.04, 10,738.71 and 1,966.32 is: 2,949.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,160.04 : 10,738.71 = 1,966.32 : x
  2. Step 2: Convert to fraction form
    7,160.04/10,738.71 = 1,966.32/x
  3. Step 3: Cross multiply
    7,160.04x = 10,738.71 × 1,966.32
  4. Step 4: Simplify right side
    7,160.04x = 21,115,740.25
  5. Step 5: Solve for x
    x = 21,115,740.25/7,160.04
  6. Step 6: Final answer
    x = 2,949.11

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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.