Home / 5,978.39-8,970.31-2,281.44

Finding the Fourth Proportional to 5,978.39, 8,970.31 and 2,281.44

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Solution

The fourth proportional to 5,978.39, 8,970.31 and 2,281.44 is: 3,423.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,978.39 : 8,970.31 = 2,281.44 : x
  2. Step 2: Convert to fraction form
    5,978.39/8,970.31 = 2,281.44/x
  3. Step 3: Cross multiply
    5,978.39x = 8,970.31 × 2,281.44
  4. Step 4: Simplify right side
    5,978.39x = 20,465,260.54
  5. Step 5: Solve for x
    x = 20,465,260.54/5,978.39
  6. Step 6: Final answer
    x = 3,423.21

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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.