Home / 6,458.05-9,677.91-2,705.79

Finding the Fourth Proportional to 6,458.05, 9,677.91 and 2,705.79

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Solution

The fourth proportional to 6,458.05, 9,677.91 and 2,705.79 is: 4,054.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,458.05 : 9,677.91 = 2,705.79 : x
  2. Step 2: Convert to fraction form
    6,458.05/9,677.91 = 2,705.79/x
  3. Step 3: Cross multiply
    6,458.05x = 9,677.91 × 2,705.79
  4. Step 4: Simplify right side
    6,458.05x = 26,186,392.10
  5. Step 5: Solve for x
    x = 26,186,392.10/6,458.05
  6. Step 6: Final answer
    x = 4,054.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.