Home / 7,071.27-10,607.04-2,140.80

Finding the Fourth Proportional to 7,071.27, 10,607.04 and 2,140.80

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Solution

The fourth proportional to 7,071.27, 10,607.04 and 2,140.80 is: 3,211.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,071.27 : 10,607.04 = 2,140.80 : x
  2. Step 2: Convert to fraction form
    7,071.27/10,607.04 = 2,140.80/x
  3. Step 3: Cross multiply
    7,071.27x = 10,607.04 × 2,140.80
  4. Step 4: Simplify right side
    7,071.27x = 22,707,551.23
  5. Step 5: Solve for x
    x = 22,707,551.23/7,071.27
  6. Step 6: Final answer
    x = 3,211.24

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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.