Home / 4,385.58-6,042.38-2,890.86

Finding the Fourth Proportional to 4,385.58, 6,042.38 and 2,890.86

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Solution

The fourth proportional to 4,385.58, 6,042.38 and 2,890.86 is: 3,982.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,385.58 : 6,042.38 = 2,890.86 : x
  2. Step 2: Convert to fraction form
    4,385.58/6,042.38 = 2,890.86/x
  3. Step 3: Cross multiply
    4,385.58x = 6,042.38 × 2,890.86
  4. Step 4: Simplify right side
    4,385.58x = 17,467,674.65
  5. Step 5: Solve for x
    x = 17,467,674.65/4,385.58
  6. Step 6: Final answer
    x = 3,982.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.