Home / 5,989.01-8,979.63-2,478.06

Finding the Fourth Proportional to 5,989.01, 8,979.63 and 2,478.06

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Solution

The fourth proportional to 5,989.01, 8,979.63 and 2,478.06 is: 3,715.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,989.01 : 8,979.63 = 2,478.06 : x
  2. Step 2: Convert to fraction form
    5,989.01/8,979.63 = 2,478.06/x
  3. Step 3: Cross multiply
    5,989.01x = 8,979.63 × 2,478.06
  4. Step 4: Simplify right side
    5,989.01x = 22,252,052.63
  5. Step 5: Solve for x
    x = 22,252,052.63/5,989.01
  6. Step 6: Final answer
    x = 3,715.48

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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.