Home / 7,141.32-10,713.60-2,211.12

Finding the Fourth Proportional to 7,141.32, 10,713.60 and 2,211.12

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Solution

The fourth proportional to 7,141.32, 10,713.60 and 2,211.12 is: 3,317.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,141.32 : 10,713.60 = 2,211.12 : x
  2. Step 2: Convert to fraction form
    7,141.32/10,713.60 = 2,211.12/x
  3. Step 3: Cross multiply
    7,141.32x = 10,713.60 × 2,211.12
  4. Step 4: Simplify right side
    7,141.32x = 23,689,055.23
  5. Step 5: Solve for x
    x = 23,689,055.23/7,141.32
  6. Step 6: Final answer
    x = 3,317.18

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1.5x scale

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.