Home / 5,360.43-8,043.81-2,990.50

Finding the Fourth Proportional to 5,360.43, 8,043.81 and 2,990.50

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Solution

The fourth proportional to 5,360.43, 8,043.81 and 2,990.50 is: 4,487.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,360.43 : 8,043.81 = 2,990.50 : x
  2. Step 2: Convert to fraction form
    5,360.43/8,043.81 = 2,990.50/x
  3. Step 3: Cross multiply
    5,360.43x = 8,043.81 × 2,990.50
  4. Step 4: Simplify right side
    5,360.43x = 24,055,013.81
  5. Step 5: Solve for x
    x = 24,055,013.81/5,360.43
  6. Step 6: Final answer
    x = 4,487.52

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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.