Home / 5,186.48-7,775.95-2,065.55

Finding the Fourth Proportional to 5,186.48, 7,775.95 and 2,065.55

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Solution

The fourth proportional to 5,186.48, 7,775.95 and 2,065.55 is: 3,096.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,186.48 : 7,775.95 = 2,065.55 : x
  2. Step 2: Convert to fraction form
    5,186.48/7,775.95 = 2,065.55/x
  3. Step 3: Cross multiply
    5,186.48x = 7,775.95 × 2,065.55
  4. Step 4: Simplify right side
    5,186.48x = 16,061,617.09
  5. Step 5: Solve for x
    x = 16,061,617.09/5,186.48
  6. Step 6: Final answer
    x = 3,096.82

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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.