Home / 7,071.36-10,607.34-2,689.08

Finding the Fourth Proportional to 7,071.36, 10,607.34 and 2,689.08

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Solution

The fourth proportional to 7,071.36, 10,607.34 and 2,689.08 is: 4,033.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,071.36 : 10,607.34 = 2,689.08 : x
  2. Step 2: Convert to fraction form
    7,071.36/10,607.34 = 2,689.08/x
  3. Step 3: Cross multiply
    7,071.36x = 10,607.34 × 2,689.08
  4. Step 4: Simplify right side
    7,071.36x = 28,523,985.85
  5. Step 5: Solve for x
    x = 28,523,985.85/7,071.36
  6. Step 6: Final answer
    x = 4,033.73

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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.