Home / 4,378.02-6,533.39-3,910.92

Finding the Fourth Proportional to 4,378.02, 6,533.39 and 3,910.92

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Solution

The fourth proportional to 4,378.02, 6,533.39 and 3,910.92 is: 5,836.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,378.02 : 6,533.39 = 3,910.92 : x
  2. Step 2: Convert to fraction form
    4,378.02/6,533.39 = 3,910.92/x
  3. Step 3: Cross multiply
    4,378.02x = 6,533.39 × 3,910.92
  4. Step 4: Simplify right side
    4,378.02x = 25,551,546.06
  5. Step 5: Solve for x
    x = 25,551,546.06/4,378.02
  6. Step 6: Final answer
    x = 5,836.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.