Home / 5,979.87-8,970.48-2,282.90

Finding the Fourth Proportional to 5,979.87, 8,970.48 and 2,282.90

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Solution

The fourth proportional to 5,979.87, 8,970.48 and 2,282.90 is: 3,424.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,979.87 : 8,970.48 = 2,282.90 : x
  2. Step 2: Convert to fraction form
    5,979.87/8,970.48 = 2,282.90/x
  3. Step 3: Cross multiply
    5,979.87x = 8,970.48 × 2,282.90
  4. Step 4: Simplify right side
    5,979.87x = 20,478,663.94
  5. Step 5: Solve for x
    x = 20,478,663.94/5,979.87
  6. Step 6: Final answer
    x = 3,424.60

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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.