Home / 7,113.30-10,675.38-3,220.44

Finding the Fourth Proportional to 7,113.30, 10,675.38 and 3,220.44

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Solution

The fourth proportional to 7,113.30, 10,675.38 and 3,220.44 is: 4,833.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,113.30 : 10,675.38 = 3,220.44 : x
  2. Step 2: Convert to fraction form
    7,113.30/10,675.38 = 3,220.44/x
  3. Step 3: Cross multiply
    7,113.30x = 10,675.38 × 3,220.44
  4. Step 4: Simplify right side
    7,113.30x = 34,379,420.77
  5. Step 5: Solve for x
    x = 34,379,420.77/7,113.30
  6. Step 6: Final answer
    x = 4,833.12

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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.