Home / 6,922.89-9,553.46-3,779.10

Finding the Fourth Proportional to 6,922.89, 9,553.46 and 3,779.10

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Solution

The fourth proportional to 6,922.89, 9,553.46 and 3,779.10 is: 5,215.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,922.89 : 9,553.46 = 3,779.10 : x
  2. Step 2: Convert to fraction form
    6,922.89/9,553.46 = 3,779.10/x
  3. Step 3: Cross multiply
    6,922.89x = 9,553.46 × 3,779.10
  4. Step 4: Simplify right side
    6,922.89x = 36,103,461.79
  5. Step 5: Solve for x
    x = 36,103,461.79/6,922.89
  6. Step 6: Final answer
    x = 5,215.09

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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.