Home / 6,819.39-9,400.89-4,515.93

Finding the Fourth Proportional to 6,819.39, 9,400.89 and 4,515.93

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Solution

The fourth proportional to 6,819.39, 9,400.89 and 4,515.93 is: 6,225.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,819.39 : 9,400.89 = 4,515.93 : x
  2. Step 2: Convert to fraction form
    6,819.39/9,400.89 = 4,515.93/x
  3. Step 3: Cross multiply
    6,819.39x = 9,400.89 × 4,515.93
  4. Step 4: Simplify right side
    6,819.39x = 42,453,713.57
  5. Step 5: Solve for x
    x = 42,453,713.57/6,819.39
  6. Step 6: Final answer
    x = 6,225.44

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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.