Home / 4,209.59-6,314.39-1,131.59

Finding the Fourth Proportional to 4,209.59, 6,314.39 and 1,131.59

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Solution

The fourth proportional to 4,209.59, 6,314.39 and 1,131.59 is: 1,697.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,209.59 : 6,314.39 = 1,131.59 : x
  2. Step 2: Convert to fraction form
    4,209.59/6,314.39 = 1,131.59/x
  3. Step 3: Cross multiply
    4,209.59x = 6,314.39 × 1,131.59
  4. Step 4: Simplify right side
    4,209.59x = 7,145,310.71
  5. Step 5: Solve for x
    x = 7,145,310.71/4,209.59
  6. Step 6: Final answer
    x = 1,697.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.