Home / 5,979.84-8,971.04-1,819.76

Finding the Fourth Proportional to 5,979.84, 8,971.04 and 1,819.76

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Solution

The fourth proportional to 5,979.84, 8,971.04 and 1,819.76 is: 2,730.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,979.84 : 8,971.04 = 1,819.76 : x
  2. Step 2: Convert to fraction form
    5,979.84/8,971.04 = 1,819.76/x
  3. Step 3: Cross multiply
    5,979.84x = 8,971.04 × 1,819.76
  4. Step 4: Simplify right side
    5,979.84x = 16,325,139.75
  5. Step 5: Solve for x
    x = 16,325,139.75/5,979.84
  6. Step 6: Final answer
    x = 2,730.03

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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.