Home / 7,824.16-11,739.52-4,125.52

Finding the Fourth Proportional to 7,824.16, 11,739.52 and 4,125.52

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Solution

The fourth proportional to 7,824.16, 11,739.52 and 4,125.52 is: 6,190.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,824.16 : 11,739.52 = 4,125.52 : x
  2. Step 2: Convert to fraction form
    7,824.16/11,739.52 = 4,125.52/x
  3. Step 3: Cross multiply
    7,824.16x = 11,739.52 × 4,125.52
  4. Step 4: Simplify right side
    7,824.16x = 48,431,624.55
  5. Step 5: Solve for x
    x = 48,431,624.55/7,824.16
  6. Step 6: Final answer
    x = 6,190.01

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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.