Home / 6,403-8,836.14-3,608.50

Finding the Fourth Proportional to 6,403, 8,836.14 and 3,608.50

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Solution

The fourth proportional to 6,403, 8,836.14 and 3,608.50 is: 4,979.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,403 : 8,836.14 = 3,608.50 : x
  2. Step 2: Convert to fraction form
    6,403/8,836.14 = 3,608.50/x
  3. Step 3: Cross multiply
    6,403x = 8,836.14 × 3,608.50
  4. Step 4: Simplify right side
    6,403x = 31,885,211.19
  5. Step 5: Solve for x
    x = 31,885,211.19/6,403
  6. Step 6: Final answer
    x = 4,979.73

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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.