Home / 4,976.74-7,465.28-1,645.06

Finding the Fourth Proportional to 4,976.74, 7,465.28 and 1,645.06

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Solution

The fourth proportional to 4,976.74, 7,465.28 and 1,645.06 is: 2,467.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,976.74 : 7,465.28 = 1,645.06 : x
  2. Step 2: Convert to fraction form
    4,976.74/7,465.28 = 1,645.06/x
  3. Step 3: Cross multiply
    4,976.74x = 7,465.28 × 1,645.06
  4. Step 4: Simplify right side
    4,976.74x = 12,280,833.52
  5. Step 5: Solve for x
    x = 12,280,833.52/4,976.74
  6. Step 6: Final answer
    x = 2,467.65

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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.