Home / 6,118.60-9,178.64-2,420.52

Finding the Fourth Proportional to 6,118.60, 9,178.64 and 2,420.52

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Solution

The fourth proportional to 6,118.60, 9,178.64 and 2,420.52 is: 3,631.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,118.60 : 9,178.64 = 2,420.52 : x
  2. Step 2: Convert to fraction form
    6,118.60/9,178.64 = 2,420.52/x
  3. Step 3: Cross multiply
    6,118.60x = 9,178.64 × 2,420.52
  4. Step 4: Simplify right side
    6,118.60x = 22,217,081.69
  5. Step 5: Solve for x
    x = 22,217,081.69/6,118.60
  6. Step 6: Final answer
    x = 3,631.07

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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.