Home / 5,180.59-7,148.99-2,942.46

Finding the Fourth Proportional to 5,180.59, 7,148.99 and 2,942.46

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Solution

The fourth proportional to 5,180.59, 7,148.99 and 2,942.46 is: 4,060.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,180.59 : 7,148.99 = 2,942.46 : x
  2. Step 2: Convert to fraction form
    5,180.59/7,148.99 = 2,942.46/x
  3. Step 3: Cross multiply
    5,180.59x = 7,148.99 × 2,942.46
  4. Step 4: Simplify right side
    5,180.59x = 21,035,624.47
  5. Step 5: Solve for x
    x = 21,035,624.47/5,180.59
  6. Step 6: Final answer
    x = 4,060.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.