Home / 6,419.26-8,830.83-5,237.74

Finding the Fourth Proportional to 6,419.26, 8,830.83 and 5,237.74

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Solution

The fourth proportional to 6,419.26, 8,830.83 and 5,237.74 is: 7,205.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,419.26 : 8,830.83 = 5,237.74 : x
  2. Step 2: Convert to fraction form
    6,419.26/8,830.83 = 5,237.74/x
  3. Step 3: Cross multiply
    6,419.26x = 8,830.83 × 5,237.74
  4. Step 4: Simplify right side
    6,419.26x = 46,253,591.52
  5. Step 5: Solve for x
    x = 46,253,591.52/6,419.26
  6. Step 6: Final answer
    x = 7,205.44

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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.