Home / 7,018.18-10,530.96-2,861.26

Finding the Fourth Proportional to 7,018.18, 10,530.96 and 2,861.26

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Solution

The fourth proportional to 7,018.18, 10,530.96 and 2,861.26 is: 4,293.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,018.18 : 10,530.96 = 2,861.26 : x
  2. Step 2: Convert to fraction form
    7,018.18/10,530.96 = 2,861.26/x
  3. Step 3: Cross multiply
    7,018.18x = 10,530.96 × 2,861.26
  4. Step 4: Simplify right side
    7,018.18x = 30,131,814.61
  5. Step 5: Solve for x
    x = 30,131,814.61/7,018.18
  6. Step 6: Final answer
    x = 4,293.39

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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.