Home / 5,979.45-8,968.08-2,280.87

Finding the Fourth Proportional to 5,979.45, 8,968.08 and 2,280.87

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Solution

The fourth proportional to 5,979.45, 8,968.08 and 2,280.87 is: 3,420.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,979.45 : 8,968.08 = 2,280.87 : x
  2. Step 2: Convert to fraction form
    5,979.45/8,968.08 = 2,280.87/x
  3. Step 3: Cross multiply
    5,979.45x = 8,968.08 × 2,280.87
  4. Step 4: Simplify right side
    5,979.45x = 20,455,024.63
  5. Step 5: Solve for x
    x = 20,455,024.63/5,979.45
  6. Step 6: Final answer
    x = 3,420.89

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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.