Home / 6,426.96-8,869.35-3,776.28

Finding the Fourth Proportional to 6,426.96, 8,869.35 and 3,776.28

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Solution

The fourth proportional to 6,426.96, 8,869.35 and 3,776.28 is: 5,211.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,426.96 : 8,869.35 = 3,776.28 : x
  2. Step 2: Convert to fraction form
    6,426.96/8,869.35 = 3,776.28/x
  3. Step 3: Cross multiply
    6,426.96x = 8,869.35 × 3,776.28
  4. Step 4: Simplify right side
    6,426.96x = 33,493,149.02
  5. Step 5: Solve for x
    x = 33,493,149.02/6,426.96
  6. Step 6: Final answer
    x = 5,211.35

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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.