Home / 6,288.51-8,682.20-3,901.02

Finding the Fourth Proportional to 6,288.51, 8,682.20 and 3,901.02

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Solution

The fourth proportional to 6,288.51, 8,682.20 and 3,901.02 is: 5,385.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,288.51 : 8,682.20 = 3,901.02 : x
  2. Step 2: Convert to fraction form
    6,288.51/8,682.20 = 3,901.02/x
  3. Step 3: Cross multiply
    6,288.51x = 8,682.20 × 3,901.02
  4. Step 4: Simplify right side
    6,288.51x = 33,869,435.84
  5. Step 5: Solve for x
    x = 33,869,435.84/6,288.51
  6. Step 6: Final answer
    x = 5,385.92

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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.