Home / 5,509.74-7,601.58-3,150.20

Finding the Fourth Proportional to 5,509.74, 7,601.58 and 3,150.20

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Solution

The fourth proportional to 5,509.74, 7,601.58 and 3,150.20 is: 4,346.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,509.74 : 7,601.58 = 3,150.20 : x
  2. Step 2: Convert to fraction form
    5,509.74/7,601.58 = 3,150.20/x
  3. Step 3: Cross multiply
    5,509.74x = 7,601.58 × 3,150.20
  4. Step 4: Simplify right side
    5,509.74x = 23,946,497.32
  5. Step 5: Solve for x
    x = 23,946,497.32/5,509.74
  6. Step 6: Final answer
    x = 4,346.21

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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.