Home / 5,186.24-7,777.07-1,487.63

Finding the Fourth Proportional to 5,186.24, 7,777.07 and 1,487.63

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Solution

The fourth proportional to 5,186.24, 7,777.07 and 1,487.63 is: 2,230.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,186.24 : 7,777.07 = 1,487.63 : x
  2. Step 2: Convert to fraction form
    5,186.24/7,777.07 = 1,487.63/x
  3. Step 3: Cross multiply
    5,186.24x = 7,777.07 × 1,487.63
  4. Step 4: Simplify right side
    5,186.24x = 11,569,402.64
  5. Step 5: Solve for x
    x = 11,569,402.64/5,186.24
  6. Step 6: Final answer
    x = 2,230.79

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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.