Home / 4,429.70-6,644.55-4,138.10

Finding the Fourth Proportional to 4,429.70, 6,644.55 and 4,138.10

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Solution

The fourth proportional to 4,429.70, 6,644.55 and 4,138.10 is: 6,207.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,429.70 : 6,644.55 = 4,138.10 : x
  2. Step 2: Convert to fraction form
    4,429.70/6,644.55 = 4,138.10/x
  3. Step 3: Cross multiply
    4,429.70x = 6,644.55 × 4,138.10
  4. Step 4: Simplify right side
    4,429.70x = 27,495,812.36
  5. Step 5: Solve for x
    x = 27,495,812.36/4,429.70
  6. Step 6: Final answer
    x = 6,207.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.