Home / 5,979.26-8,968.20-2,281.40

Finding the Fourth Proportional to 5,979.26, 8,968.20 and 2,281.40

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Solution

The fourth proportional to 5,979.26, 8,968.20 and 2,281.40 is: 3,421.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,979.26 : 8,968.20 = 2,281.40 : x
  2. Step 2: Convert to fraction form
    5,979.26/8,968.20 = 2,281.40/x
  3. Step 3: Cross multiply
    5,979.26x = 8,968.20 × 2,281.40
  4. Step 4: Simplify right side
    5,979.26x = 20,460,051.48
  5. Step 5: Solve for x
    x = 20,460,051.48/5,979.26
  6. Step 6: Final answer
    x = 3,421.84

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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.