Home / 6,249.96-8,615.70-4,921.02

Finding the Fourth Proportional to 6,249.96, 8,615.70 and 4,921.02

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Solution

The fourth proportional to 6,249.96, 8,615.70 and 4,921.02 is: 6,783.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,249.96 : 8,615.70 = 4,921.02 : x
  2. Step 2: Convert to fraction form
    6,249.96/8,615.70 = 4,921.02/x
  3. Step 3: Cross multiply
    6,249.96x = 8,615.70 × 4,921.02
  4. Step 4: Simplify right side
    6,249.96x = 42,398,032.01
  5. Step 5: Solve for x
    x = 42,398,032.01/6,249.96
  6. Step 6: Final answer
    x = 6,783.73

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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.