Home / 4,508.78-6,763.32-1,221.93

Finding the Fourth Proportional to 4,508.78, 6,763.32 and 1,221.93

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Solution

The fourth proportional to 4,508.78, 6,763.32 and 1,221.93 is: 1,832.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,508.78 : 6,763.32 = 1,221.93 : x
  2. Step 2: Convert to fraction form
    4,508.78/6,763.32 = 1,221.93/x
  3. Step 3: Cross multiply
    4,508.78x = 6,763.32 × 1,221.93
  4. Step 4: Simplify right side
    4,508.78x = 8,264,303.61
  5. Step 5: Solve for x
    x = 8,264,303.61/4,508.78
  6. Step 6: Final answer
    x = 1,832.94

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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.