Home / 4,644.10-6,405.91-3,154.59

Finding the Fourth Proportional to 4,644.10, 6,405.91 and 3,154.59

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Solution

The fourth proportional to 4,644.10, 6,405.91 and 3,154.59 is: 4,351.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,644.10 : 6,405.91 = 3,154.59 : x
  2. Step 2: Convert to fraction form
    4,644.10/6,405.91 = 3,154.59/x
  3. Step 3: Cross multiply
    4,644.10x = 6,405.91 × 3,154.59
  4. Step 4: Simplify right side
    4,644.10x = 20,208,011.74
  5. Step 5: Solve for x
    x = 20,208,011.74/4,644.10
  6. Step 6: Final answer
    x = 4,351.33

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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.