Home / 6,428.52-8,870.94-3,633.48

Finding the Fourth Proportional to 6,428.52, 8,870.94 and 3,633.48

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Solution

The fourth proportional to 6,428.52, 8,870.94 and 3,633.48 is: 5,013.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,428.52 : 8,870.94 = 3,633.48 : x
  2. Step 2: Convert to fraction form
    6,428.52/8,870.94 = 3,633.48/x
  3. Step 3: Cross multiply
    6,428.52x = 8,870.94 × 3,633.48
  4. Step 4: Simplify right side
    6,428.52x = 32,232,383.07
  5. Step 5: Solve for x
    x = 32,232,383.07/6,428.52
  6. Step 6: Final answer
    x = 5,013.97

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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.