Home / 5,986.08-8,979.12-2,288.16

Finding the Fourth Proportional to 5,986.08, 8,979.12 and 2,288.16

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Solution

The fourth proportional to 5,986.08, 8,979.12 and 2,288.16 is: 3,432.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,986.08 : 8,979.12 = 2,288.16 : x
  2. Step 2: Convert to fraction form
    5,986.08/8,979.12 = 2,288.16/x
  3. Step 3: Cross multiply
    5,986.08x = 8,979.12 × 2,288.16
  4. Step 4: Simplify right side
    5,986.08x = 20,545,663.22
  5. Step 5: Solve for x
    x = 20,545,663.22/5,986.08
  6. Step 6: Final answer
    x = 3,432.24

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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.