Home / 7,488.18-11,236.32-3,108.66

Finding the Fourth Proportional to 7,488.18, 11,236.32 and 3,108.66

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Solution

The fourth proportional to 7,488.18, 11,236.32 and 3,108.66 is: 4,664.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,488.18 : 11,236.32 = 3,108.66 : x
  2. Step 2: Convert to fraction form
    7,488.18/11,236.32 = 3,108.66/x
  3. Step 3: Cross multiply
    7,488.18x = 11,236.32 × 3,108.66
  4. Step 4: Simplify right side
    7,488.18x = 34,929,898.53
  5. Step 5: Solve for x
    x = 34,929,898.53/7,488.18
  6. Step 6: Final answer
    x = 4,664.67

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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.