Home / 5,529.59-7,640.55-4,419.69

Finding the Fourth Proportional to 5,529.59, 7,640.55 and 4,419.69

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Solution

The fourth proportional to 5,529.59, 7,640.55 and 4,419.69 is: 6,106.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,529.59 : 7,640.55 = 4,419.69 : x
  2. Step 2: Convert to fraction form
    5,529.59/7,640.55 = 4,419.69/x
  3. Step 3: Cross multiply
    5,529.59x = 7,640.55 × 4,419.69
  4. Step 4: Simplify right side
    5,529.59x = 33,768,862.43
  5. Step 5: Solve for x
    x = 33,768,862.43/5,529.59
  6. Step 6: Final answer
    x = 6,106.94

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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.