Home / 5,444.05-8,169.71-1,981.30

Finding the Fourth Proportional to 5,444.05, 8,169.71 and 1,981.30

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Solution

The fourth proportional to 5,444.05, 8,169.71 and 1,981.30 is: 2,973.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,444.05 : 8,169.71 = 1,981.30 : x
  2. Step 2: Convert to fraction form
    5,444.05/8,169.71 = 1,981.30/x
  3. Step 3: Cross multiply
    5,444.05x = 8,169.71 × 1,981.30
  4. Step 4: Simplify right side
    5,444.05x = 16,186,646.42
  5. Step 5: Solve for x
    x = 16,186,646.42/5,444.05
  6. Step 6: Final answer
    x = 2,973.27

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1.5x scale

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.