Home / 4,444.92-6,665.50-1,978.04

Finding the Fourth Proportional to 4,444.92, 6,665.50 and 1,978.04

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Solution

The fourth proportional to 4,444.92, 6,665.50 and 1,978.04 is: 2,966.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,444.92 : 6,665.50 = 1,978.04 : x
  2. Step 2: Convert to fraction form
    4,444.92/6,665.50 = 1,978.04/x
  3. Step 3: Cross multiply
    4,444.92x = 6,665.50 × 1,978.04
  4. Step 4: Simplify right side
    4,444.92x = 13,184,625.62
  5. Step 5: Solve for x
    x = 13,184,625.62/4,444.92
  6. Step 6: Final answer
    x = 2,966.22

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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.