Home / 7,164.45-10,740.55-2,719.63

Finding the Fourth Proportional to 7,164.45, 10,740.55 and 2,719.63

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Solution

The fourth proportional to 7,164.45, 10,740.55 and 2,719.63 is: 4,077.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,164.45 : 10,740.55 = 2,719.63 : x
  2. Step 2: Convert to fraction form
    7,164.45/10,740.55 = 2,719.63/x
  3. Step 3: Cross multiply
    7,164.45x = 10,740.55 × 2,719.63
  4. Step 4: Simplify right side
    7,164.45x = 29,210,273.31
  5. Step 5: Solve for x
    x = 29,210,273.31/7,164.45
  6. Step 6: Final answer
    x = 4,077.11

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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.