Home / 6,109.92-8,426.64-5,311.92

Finding the Fourth Proportional to 6,109.92, 8,426.64 and 5,311.92

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Solution

The fourth proportional to 6,109.92, 8,426.64 and 5,311.92 is: 7,326.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,109.92 : 8,426.64 = 5,311.92 : x
  2. Step 2: Convert to fraction form
    6,109.92/8,426.64 = 5,311.92/x
  3. Step 3: Cross multiply
    6,109.92x = 8,426.64 × 5,311.92
  4. Step 4: Simplify right side
    6,109.92x = 44,761,637.55
  5. Step 5: Solve for x
    x = 44,761,637.55/6,109.92
  6. Step 6: Final answer
    x = 7,326.06

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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.