Home / 6,340.64-8,748.60-3,822.08

Finding the Fourth Proportional to 6,340.64, 8,748.60 and 3,822.08

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Solution

The fourth proportional to 6,340.64, 8,748.60 and 3,822.08 is: 5,273.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,340.64 : 8,748.60 = 3,822.08 : x
  2. Step 2: Convert to fraction form
    6,340.64/8,748.60 = 3,822.08/x
  3. Step 3: Cross multiply
    6,340.64x = 8,748.60 × 3,822.08
  4. Step 4: Simplify right side
    6,340.64x = 33,437,849.09
  5. Step 5: Solve for x
    x = 33,437,849.09/6,340.64
  6. Step 6: Final answer
    x = 5,273.58

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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.