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Finding the Fourth Proportional to 7,066.90, 10,600.35 and 4,150.90

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Solution

The fourth proportional to 7,066.90, 10,600.35 and 4,150.90 is: 6,226.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,066.90 : 10,600.35 = 4,150.90 : x
  2. Step 2: Convert to fraction form
    7,066.90/10,600.35 = 4,150.90/x
  3. Step 3: Cross multiply
    7,066.90x = 10,600.35 × 4,150.90
  4. Step 4: Simplify right side
    7,066.90x = 44,000,992.82
  5. Step 5: Solve for x
    x = 44,000,992.82/7,066.90
  6. Step 6: Final answer
    x = 6,226.35

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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.