Home / 4,338.45-6,508.35-1,415.85

Finding the Fourth Proportional to 4,338.45, 6,508.35 and 1,415.85

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Solution

The fourth proportional to 4,338.45, 6,508.35 and 1,415.85 is: 2,124.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,338.45 : 6,508.35 = 1,415.85 : x
  2. Step 2: Convert to fraction form
    4,338.45/6,508.35 = 1,415.85/x
  3. Step 3: Cross multiply
    4,338.45x = 6,508.35 × 1,415.85
  4. Step 4: Simplify right side
    4,338.45x = 9,214,847.35
  5. Step 5: Solve for x
    x = 9,214,847.35/4,338.45
  6. Step 6: Final answer
    x = 2,124.00

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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.