Home / 5,355.27-8,018.93-4,309.56

Finding the Fourth Proportional to 5,355.27, 8,018.93 and 4,309.56

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Solution

The fourth proportional to 5,355.27, 8,018.93 and 4,309.56 is: 6,453.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,355.27 : 8,018.93 = 4,309.56 : x
  2. Step 2: Convert to fraction form
    5,355.27/8,018.93 = 4,309.56/x
  3. Step 3: Cross multiply
    5,355.27x = 8,018.93 × 4,309.56
  4. Step 4: Simplify right side
    5,355.27x = 34,558,070.74
  5. Step 5: Solve for x
    x = 34,558,070.74/5,355.27
  6. Step 6: Final answer
    x = 6,453.10

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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.