Home / 4,644.35-6,402.88-3,315.75

Finding the Fourth Proportional to 4,644.35, 6,402.88 and 3,315.75

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Solution

The fourth proportional to 4,644.35, 6,402.88 and 3,315.75 is: 4,571.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,644.35 : 6,402.88 = 3,315.75 : x
  2. Step 2: Convert to fraction form
    4,644.35/6,402.88 = 3,315.75/x
  3. Step 3: Cross multiply
    4,644.35x = 6,402.88 × 3,315.75
  4. Step 4: Simplify right side
    4,644.35x = 21,230,300.77
  5. Step 5: Solve for x
    x = 21,230,300.77/4,644.35
  6. Step 6: Final answer
    x = 4,571.21

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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.