Home / 7,909.56-11,865.15-2,983.34

Finding the Fourth Proportional to 7,909.56, 11,865.15 and 2,983.34

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Solution

The fourth proportional to 7,909.56, 11,865.15 and 2,983.34 is: 4,475.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,909.56 : 11,865.15 = 2,983.34 : x
  2. Step 2: Convert to fraction form
    7,909.56/11,865.15 = 2,983.34/x
  3. Step 3: Cross multiply
    7,909.56x = 11,865.15 × 2,983.34
  4. Step 4: Simplify right side
    7,909.56x = 35,397,806.26
  5. Step 5: Solve for x
    x = 35,397,806.26/7,909.56
  6. Step 6: Final answer
    x = 4,475.32

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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.