Home / 7,377.45-11,068.89-3,480.93

Finding the Fourth Proportional to 7,377.45, 11,068.89 and 3,480.93

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Solution

The fourth proportional to 7,377.45, 11,068.89 and 3,480.93 is: 5,222.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,377.45 : 11,068.89 = 3,480.93 : x
  2. Step 2: Convert to fraction form
    7,377.45/11,068.89 = 3,480.93/x
  3. Step 3: Cross multiply
    7,377.45x = 11,068.89 × 3,480.93
  4. Step 4: Simplify right side
    7,377.45x = 38,530,031.27
  5. Step 5: Solve for x
    x = 38,530,031.27/7,377.45
  6. Step 6: Final answer
    x = 5,222.68

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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.