Home / 5,621.27-7,757.36-3,525.40

Finding the Fourth Proportional to 5,621.27, 7,757.36 and 3,525.40

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Solution

The fourth proportional to 5,621.27, 7,757.36 and 3,525.40 is: 4,865.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,621.27 : 7,757.36 = 3,525.40 : x
  2. Step 2: Convert to fraction form
    5,621.27/7,757.36 = 3,525.40/x
  3. Step 3: Cross multiply
    5,621.27x = 7,757.36 × 3,525.40
  4. Step 4: Simplify right side
    5,621.27x = 27,347,775.46
  5. Step 5: Solve for x
    x = 27,347,775.46/5,621.27
  6. Step 6: Final answer
    x = 4,865.05

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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.