Home / 6,426.55-8,867.64-3,738.36

Finding the Fourth Proportional to 6,426.55, 8,867.64 and 3,738.36

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Solution

The fourth proportional to 6,426.55, 8,867.64 and 3,738.36 is: 5,158.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,426.55 : 8,867.64 = 3,738.36 : x
  2. Step 2: Convert to fraction form
    6,426.55/8,867.64 = 3,738.36/x
  3. Step 3: Cross multiply
    6,426.55x = 8,867.64 × 3,738.36
  4. Step 4: Simplify right side
    6,426.55x = 33,150,430.67
  5. Step 5: Solve for x
    x = 33,150,430.67/6,426.55
  6. Step 6: Final answer
    x = 5,158.36

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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.