Home / 4,379.85-6,042.65-2,808.81

Finding the Fourth Proportional to 4,379.85, 6,042.65 and 2,808.81

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Solution

The fourth proportional to 4,379.85, 6,042.65 and 2,808.81 is: 3,875.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,379.85 : 6,042.65 = 2,808.81 : x
  2. Step 2: Convert to fraction form
    4,379.85/6,042.65 = 2,808.81/x
  3. Step 3: Cross multiply
    4,379.85x = 6,042.65 × 2,808.81
  4. Step 4: Simplify right side
    4,379.85x = 16,972,641.70
  5. Step 5: Solve for x
    x = 16,972,641.70/4,379.85
  6. Step 6: Final answer
    x = 3,875.17

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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.