Home / 7,739.53-11,611.61-3,060.20

Finding the Fourth Proportional to 7,739.53, 11,611.61 and 3,060.20

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Solution

The fourth proportional to 7,739.53, 11,611.61 and 3,060.20 is: 4,591.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,739.53 : 11,611.61 = 3,060.20 : x
  2. Step 2: Convert to fraction form
    7,739.53/11,611.61 = 3,060.20/x
  3. Step 3: Cross multiply
    7,739.53x = 11,611.61 × 3,060.20
  4. Step 4: Simplify right side
    7,739.53x = 35,533,848.92
  5. Step 5: Solve for x
    x = 35,533,848.92/7,739.53
  6. Step 6: Final answer
    x = 4,591.22

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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.