Home / 7,379.03-11,070.17-2,185.31

Finding the Fourth Proportional to 7,379.03, 11,070.17 and 2,185.31

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Solution

The fourth proportional to 7,379.03, 11,070.17 and 2,185.31 is: 3,278.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,379.03 : 11,070.17 = 2,185.31 : x
  2. Step 2: Convert to fraction form
    7,379.03/11,070.17 = 2,185.31/x
  3. Step 3: Cross multiply
    7,379.03x = 11,070.17 × 2,185.31
  4. Step 4: Simplify right side
    7,379.03x = 24,191,753.20
  5. Step 5: Solve for x
    x = 24,191,753.20/7,379.03
  6. Step 6: Final answer
    x = 3,278.45

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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.