Home / 4,719.62-6,513.39-3,123.51

Finding the Fourth Proportional to 4,719.62, 6,513.39 and 3,123.51

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Solution

The fourth proportional to 4,719.62, 6,513.39 and 3,123.51 is: 4,310.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,719.62 : 6,513.39 = 3,123.51 : x
  2. Step 2: Convert to fraction form
    4,719.62/6,513.39 = 3,123.51/x
  3. Step 3: Cross multiply
    4,719.62x = 6,513.39 × 3,123.51
  4. Step 4: Simplify right side
    4,719.62x = 20,344,638.80
  5. Step 5: Solve for x
    x = 20,344,638.80/4,719.62
  6. Step 6: Final answer
    x = 4,310.66

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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.