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Finding the Fourth Proportional to 7,000.86, 10,500.96 and 2,617.98

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Solution

The fourth proportional to 7,000.86, 10,500.96 and 2,617.98 is: 3,926.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,000.86 : 10,500.96 = 2,617.98 : x
  2. Step 2: Convert to fraction form
    7,000.86/10,500.96 = 2,617.98/x
  3. Step 3: Cross multiply
    7,000.86x = 10,500.96 × 2,617.98
  4. Step 4: Simplify right side
    7,000.86x = 27,491,303.26
  5. Step 5: Solve for x
    x = 27,491,303.26/7,000.86
  6. Step 6: Final answer
    x = 3,926.85

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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.