Home / 7,140.58-10,711.89-2,210.60

Finding the Fourth Proportional to 7,140.58, 10,711.89 and 2,210.60

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Solution

The fourth proportional to 7,140.58, 10,711.89 and 2,210.60 is: 3,316.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,140.58 : 10,711.89 = 2,210.60 : x
  2. Step 2: Convert to fraction form
    7,140.58/10,711.89 = 2,210.60/x
  3. Step 3: Cross multiply
    7,140.58x = 10,711.89 × 2,210.60
  4. Step 4: Simplify right side
    7,140.58x = 23,679,704.03
  5. Step 5: Solve for x
    x = 23,679,704.03/7,140.58
  6. Step 6: Final answer
    x = 3,316.22

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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.