Home / 5,444.64-8,166.93-1,981.89

Finding the Fourth Proportional to 5,444.64, 8,166.93 and 1,981.89

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Solution

The fourth proportional to 5,444.64, 8,166.93 and 1,981.89 is: 2,972.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,444.64 : 8,166.93 = 1,981.89 : x
  2. Step 2: Convert to fraction form
    5,444.64/8,166.93 = 1,981.89/x
  3. Step 3: Cross multiply
    5,444.64x = 8,166.93 × 1,981.89
  4. Step 4: Simplify right side
    5,444.64x = 16,185,956.90
  5. Step 5: Solve for x
    x = 16,185,956.90/5,444.64
  6. Step 6: Final answer
    x = 2,972.82

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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.