Home / 4,188.24-6,282.77-1,415.77

Finding the Fourth Proportional to 4,188.24, 6,282.77 and 1,415.77

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Solution

The fourth proportional to 4,188.24, 6,282.77 and 1,415.77 is: 2,123.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,188.24 : 6,282.77 = 1,415.77 : x
  2. Step 2: Convert to fraction form
    4,188.24/6,282.77 = 1,415.77/x
  3. Step 3: Cross multiply
    4,188.24x = 6,282.77 × 1,415.77
  4. Step 4: Simplify right side
    4,188.24x = 8,894,934.50
  5. Step 5: Solve for x
    x = 8,894,934.50/4,188.24
  6. Step 6: Final answer
    x = 2,123.79

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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.