Home / 4,820.40-6,644.46-3,934.68

Finding the Fourth Proportional to 4,820.40, 6,644.46 and 3,934.68

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Solution

The fourth proportional to 4,820.40, 6,644.46 and 3,934.68 is: 5,423.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,820.40 : 6,644.46 = 3,934.68 : x
  2. Step 2: Convert to fraction form
    4,820.40/6,644.46 = 3,934.68/x
  3. Step 3: Cross multiply
    4,820.40x = 6,644.46 × 3,934.68
  4. Step 4: Simplify right side
    4,820.40x = 26,143,823.87
  5. Step 5: Solve for x
    x = 26,143,823.87/4,820.40
  6. Step 6: Final answer
    x = 5,423.58

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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.