Home / 7,309.90-10,965.76-2,380.06

Finding the Fourth Proportional to 7,309.90, 10,965.76 and 2,380.06

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Solution

The fourth proportional to 7,309.90, 10,965.76 and 2,380.06 is: 3,570.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,309.90 : 10,965.76 = 2,380.06 : x
  2. Step 2: Convert to fraction form
    7,309.90/10,965.76 = 2,380.06/x
  3. Step 3: Cross multiply
    7,309.90x = 10,965.76 × 2,380.06
  4. Step 4: Simplify right side
    7,309.90x = 26,099,166.75
  5. Step 5: Solve for x
    x = 26,099,166.75/7,309.90
  6. Step 6: Final answer
    x = 3,570.39

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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.