Home / 7,325.31-10,985.83-4,204.78

Finding the Fourth Proportional to 7,325.31, 10,985.83 and 4,204.78

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Solution

The fourth proportional to 7,325.31, 10,985.83 and 4,204.78 is: 6,305.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,325.31 : 10,985.83 = 4,204.78 : x
  2. Step 2: Convert to fraction form
    7,325.31/10,985.83 = 4,204.78/x
  3. Step 3: Cross multiply
    7,325.31x = 10,985.83 × 4,204.78
  4. Step 4: Simplify right side
    7,325.31x = 46,192,998.27
  5. Step 5: Solve for x
    x = 46,192,998.27/7,325.31
  6. Step 6: Final answer
    x = 6,305.94

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1.5x scale

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.