Home / 4,189.15-6,284.70-1,415.77

Finding the Fourth Proportional to 4,189.15, 6,284.70 and 1,415.77

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Solution

The fourth proportional to 4,189.15, 6,284.70 and 1,415.77 is: 2,123.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,189.15 : 6,284.70 = 1,415.77 : x
  2. Step 2: Convert to fraction form
    4,189.15/6,284.70 = 1,415.77/x
  3. Step 3: Cross multiply
    4,189.15x = 6,284.70 × 1,415.77
  4. Step 4: Simplify right side
    4,189.15x = 8,897,689.72
  5. Step 5: Solve for x
    x = 8,897,689.72/4,189.15
  6. Step 6: Final answer
    x = 2,123.98

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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.