Home / 6,239.55-8,608.91-3,720.52

Finding the Fourth Proportional to 6,239.55, 8,608.91 and 3,720.52

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Solution

The fourth proportional to 6,239.55, 8,608.91 and 3,720.52 is: 5,133.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,239.55 : 8,608.91 = 3,720.52 : x
  2. Step 2: Convert to fraction form
    6,239.55/8,608.91 = 3,720.52/x
  3. Step 3: Cross multiply
    6,239.55x = 8,608.91 × 3,720.52
  4. Step 4: Simplify right side
    6,239.55x = 32,029,621.83
  5. Step 5: Solve for x
    x = 32,029,621.83/6,239.55
  6. Step 6: Final answer
    x = 5,133.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.