Home / 5,621.76-7,760.64-3,263.04

Finding the Fourth Proportional to 5,621.76, 7,760.64 and 3,263.04

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Solution

The fourth proportional to 5,621.76, 7,760.64 and 3,263.04 is: 4,504.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,621.76 : 7,760.64 = 3,263.04 : x
  2. Step 2: Convert to fraction form
    5,621.76/7,760.64 = 3,263.04/x
  3. Step 3: Cross multiply
    5,621.76x = 7,760.64 × 3,263.04
  4. Step 4: Simplify right side
    5,621.76x = 25,323,278.75
  5. Step 5: Solve for x
    x = 25,323,278.75/5,621.76
  6. Step 6: Final answer
    x = 4,504.51

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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.