Home / 6,115.43-8,439.33-3,320.93

Finding the Fourth Proportional to 6,115.43, 8,439.33 and 3,320.93

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Solution

The fourth proportional to 6,115.43, 8,439.33 and 3,320.93 is: 4,582.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,115.43 : 8,439.33 = 3,320.93 : x
  2. Step 2: Convert to fraction form
    6,115.43/8,439.33 = 3,320.93/x
  3. Step 3: Cross multiply
    6,115.43x = 8,439.33 × 3,320.93
  4. Step 4: Simplify right side
    6,115.43x = 28,026,424.18
  5. Step 5: Solve for x
    x = 28,026,424.18/6,115.43
  6. Step 6: Final answer
    x = 4,582.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.