Home / 6,426.86-8,869.08-3,632.36

Finding the Fourth Proportional to 6,426.86, 8,869.08 and 3,632.36

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Solution

The fourth proportional to 6,426.86, 8,869.08 and 3,632.36 is: 5,012.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,426.86 : 8,869.08 = 3,632.36 : x
  2. Step 2: Convert to fraction form
    6,426.86/8,869.08 = 3,632.36/x
  3. Step 3: Cross multiply
    6,426.86x = 8,869.08 × 3,632.36
  4. Step 4: Simplify right side
    6,426.86x = 32,215,691.43
  5. Step 5: Solve for x
    x = 32,215,691.43/6,426.86
  6. Step 6: Final answer
    x = 5,012.66

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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.