Home / 7,309.04-10,965-2,114.96

Finding the Fourth Proportional to 7,309.04, 10,965 and 2,114.96

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Solution

The fourth proportional to 7,309.04, 10,965 and 2,114.96 is: 3,172.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,309.04 : 10,965 = 2,114.96 : x
  2. Step 2: Convert to fraction form
    7,309.04/10,965 = 2,114.96/x
  3. Step 3: Cross multiply
    7,309.04x = 10,965 × 2,114.96
  4. Step 4: Simplify right side
    7,309.04x = 23,190,536.40
  5. Step 5: Solve for x
    x = 23,190,536.40/7,309.04
  6. Step 6: Final answer
    x = 3,172.86

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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.