Home / 5,980.20-8,970.66-2,282.78

Finding the Fourth Proportional to 5,980.20, 8,970.66 and 2,282.78

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Solution

The fourth proportional to 5,980.20, 8,970.66 and 2,282.78 is: 3,424.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,980.20 : 8,970.66 = 2,282.78 : x
  2. Step 2: Convert to fraction form
    5,980.20/8,970.66 = 2,282.78/x
  3. Step 3: Cross multiply
    5,980.20x = 8,970.66 × 2,282.78
  4. Step 4: Simplify right side
    5,980.20x = 20,478,043.23
  5. Step 5: Solve for x
    x = 20,478,043.23/5,980.20
  6. Step 6: Final answer
    x = 3,424.31

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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.