Home / 4,649.43-6,972.66-1,528.70

Finding the Fourth Proportional to 4,649.43, 6,972.66 and 1,528.70

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Solution

The fourth proportional to 4,649.43, 6,972.66 and 1,528.70 is: 2,292.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,649.43 : 6,972.66 = 1,528.70 : x
  2. Step 2: Convert to fraction form
    4,649.43/6,972.66 = 1,528.70/x
  3. Step 3: Cross multiply
    4,649.43x = 6,972.66 × 1,528.70
  4. Step 4: Simplify right side
    4,649.43x = 10,659,085.79
  5. Step 5: Solve for x
    x = 10,659,085.79/4,649.43
  6. Step 6: Final answer
    x = 2,292.56

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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.