Home / 5,677.93-7,837.04-3,999.83

Finding the Fourth Proportional to 5,677.93, 7,837.04 and 3,999.83

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Solution

The fourth proportional to 5,677.93, 7,837.04 and 3,999.83 is: 5,520.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,677.93 : 7,837.04 = 3,999.83 : x
  2. Step 2: Convert to fraction form
    5,677.93/7,837.04 = 3,999.83/x
  3. Step 3: Cross multiply
    5,677.93x = 7,837.04 × 3,999.83
  4. Step 4: Simplify right side
    5,677.93x = 31,346,827.70
  5. Step 5: Solve for x
    x = 31,346,827.70/5,677.93
  6. Step 6: Final answer
    x = 5,520.82

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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.