Home / 8,579.04-12,847.80-5,939.15

Finding the Fourth Proportional to 8,579.04, 12,847.80 and 5,939.15

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Solution

The fourth proportional to 8,579.04, 12,847.80 and 5,939.15 is: 8,894.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,579.04 : 12,847.80 = 5,939.15 : x
  2. Step 2: Convert to fraction form
    8,579.04/12,847.80 = 5,939.15/x
  3. Step 3: Cross multiply
    8,579.04x = 12,847.80 × 5,939.15
  4. Step 4: Simplify right side
    8,579.04x = 76,305,011.37
  5. Step 5: Solve for x
    x = 76,305,011.37/8,579.04
  6. Step 6: Final answer
    x = 8,894.35

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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.