Home / 6,305.15-8,699.78-3,652.40

Finding the Fourth Proportional to 6,305.15, 8,699.78 and 3,652.40

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Solution

The fourth proportional to 6,305.15, 8,699.78 and 3,652.40 is: 5,039.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,305.15 : 8,699.78 = 3,652.40 : x
  2. Step 2: Convert to fraction form
    6,305.15/8,699.78 = 3,652.40/x
  3. Step 3: Cross multiply
    6,305.15x = 8,699.78 × 3,652.40
  4. Step 4: Simplify right side
    6,305.15x = 31,775,076.47
  5. Step 5: Solve for x
    x = 31,775,076.47/6,305.15
  6. Step 6: Final answer
    x = 5,039.54

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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.