Home / 6,426.24-9,635.20-4,228.32

Finding the Fourth Proportional to 6,426.24, 9,635.20 and 4,228.32

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Solution

The fourth proportional to 6,426.24, 9,635.20 and 4,228.32 is: 6,339.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,426.24 : 9,635.20 = 4,228.32 : x
  2. Step 2: Convert to fraction form
    6,426.24/9,635.20 = 4,228.32/x
  3. Step 3: Cross multiply
    6,426.24x = 9,635.20 × 4,228.32
  4. Step 4: Simplify right side
    6,426.24x = 40,740,708.86
  5. Step 5: Solve for x
    x = 40,740,708.86/6,426.24
  6. Step 6: Final answer
    x = 6,339.74

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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.