Home / 6,985.22-10,478.17-2,305.65

Finding the Fourth Proportional to 6,985.22, 10,478.17 and 2,305.65

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Solution

The fourth proportional to 6,985.22, 10,478.17 and 2,305.65 is: 3,458.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,985.22 : 10,478.17 = 2,305.65 : x
  2. Step 2: Convert to fraction form
    6,985.22/10,478.17 = 2,305.65/x
  3. Step 3: Cross multiply
    6,985.22x = 10,478.17 × 2,305.65
  4. Step 4: Simplify right side
    6,985.22x = 24,158,947.60
  5. Step 5: Solve for x
    x = 24,158,947.60/6,985.22
  6. Step 6: Final answer
    x = 3,458.58

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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.