Home / 4,827.70-6,663.87-2,838.85

Finding the Fourth Proportional to 4,827.70, 6,663.87 and 2,838.85

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Solution

The fourth proportional to 4,827.70, 6,663.87 and 2,838.85 is: 3,918.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,827.70 : 6,663.87 = 2,838.85 : x
  2. Step 2: Convert to fraction form
    4,827.70/6,663.87 = 2,838.85/x
  3. Step 3: Cross multiply
    4,827.70x = 6,663.87 × 2,838.85
  4. Step 4: Simplify right side
    4,827.70x = 18,917,710.69
  5. Step 5: Solve for x
    x = 18,917,710.69/4,827.70
  6. Step 6: Final answer
    x = 3,918.58

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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.