Home / 6,403.77-8,871.39-6,250.68

Finding the Fourth Proportional to 6,403.77, 8,871.39 and 6,250.68

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Solution

The fourth proportional to 6,403.77, 8,871.39 and 6,250.68 is: 8,659.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,403.77 : 8,871.39 = 6,250.68 : x
  2. Step 2: Convert to fraction form
    6,403.77/8,871.39 = 6,250.68/x
  3. Step 3: Cross multiply
    6,403.77x = 8,871.39 × 6,250.68
  4. Step 4: Simplify right side
    6,403.77x = 55,452,220.05
  5. Step 5: Solve for x
    x = 55,452,220.05/6,403.77
  6. Step 6: Final answer
    x = 8,659.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.