Home / 5,621.93-7,760.04-3,496.20

Finding the Fourth Proportional to 5,621.93, 7,760.04 and 3,496.20

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Solution

The fourth proportional to 5,621.93, 7,760.04 and 3,496.20 is: 4,825.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,621.93 : 7,760.04 = 3,496.20 : x
  2. Step 2: Convert to fraction form
    5,621.93/7,760.04 = 3,496.20/x
  3. Step 3: Cross multiply
    5,621.93x = 7,760.04 × 3,496.20
  4. Step 4: Simplify right side
    5,621.93x = 27,130,651.85
  5. Step 5: Solve for x
    x = 27,130,651.85/5,621.93
  6. Step 6: Final answer
    x = 4,825.86

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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.