Home / 4,916.60-6,789.41-3,124.66

Finding the Fourth Proportional to 4,916.60, 6,789.41 and 3,124.66

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Solution

The fourth proportional to 4,916.60, 6,789.41 and 3,124.66 is: 4,314.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,916.60 : 6,789.41 = 3,124.66 : x
  2. Step 2: Convert to fraction form
    4,916.60/6,789.41 = 3,124.66/x
  3. Step 3: Cross multiply
    4,916.60x = 6,789.41 × 3,124.66
  4. Step 4: Simplify right side
    4,916.60x = 21,214,597.85
  5. Step 5: Solve for x
    x = 21,214,597.85/4,916.60
  6. Step 6: Final answer
    x = 4,314.89

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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.