Home / 5,184.95-7,775.39-2,261.25

Finding the Fourth Proportional to 5,184.95, 7,775.39 and 2,261.25

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Solution

The fourth proportional to 5,184.95, 7,775.39 and 2,261.25 is: 3,390.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,184.95 : 7,775.39 = 2,261.25 : x
  2. Step 2: Convert to fraction form
    5,184.95/7,775.39 = 2,261.25/x
  3. Step 3: Cross multiply
    5,184.95x = 7,775.39 × 2,261.25
  4. Step 4: Simplify right side
    5,184.95x = 17,582,089.33
  5. Step 5: Solve for x
    x = 17,582,089.33/5,184.95
  6. Step 6: Final answer
    x = 3,390.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.