Home / 5,551.02-7,661.25-3,561.48

Finding the Fourth Proportional to 5,551.02, 7,661.25 and 3,561.48

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Solution

The fourth proportional to 5,551.02, 7,661.25 and 3,561.48 is: 4,915.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,551.02 : 7,661.25 = 3,561.48 : x
  2. Step 2: Convert to fraction form
    5,551.02/7,661.25 = 3,561.48/x
  3. Step 3: Cross multiply
    5,551.02x = 7,661.25 × 3,561.48
  4. Step 4: Simplify right side
    5,551.02x = 27,285,388.65
  5. Step 5: Solve for x
    x = 27,285,388.65/5,551.02
  6. Step 6: Final answer
    x = 4,915.38

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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.