Home / 7,722.12-11,598.70-4,608.20

Finding the Fourth Proportional to 7,722.12, 11,598.70 and 4,608.20

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Solution

The fourth proportional to 7,722.12, 11,598.70 and 4,608.20 is: 6,921.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,722.12 : 11,598.70 = 4,608.20 : x
  2. Step 2: Convert to fraction form
    7,722.12/11,598.70 = 4,608.20/x
  3. Step 3: Cross multiply
    7,722.12x = 11,598.70 × 4,608.20
  4. Step 4: Simplify right side
    7,722.12x = 53,449,129.34
  5. Step 5: Solve for x
    x = 53,449,129.34/7,722.12
  6. Step 6: Final answer
    x = 6,921.56

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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.