Home / 6,113.59-8,436.68-3,319.09

Finding the Fourth Proportional to 6,113.59, 8,436.68 and 3,319.09

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Solution

The fourth proportional to 6,113.59, 8,436.68 and 3,319.09 is: 4,580.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,113.59 : 8,436.68 = 3,319.09 : x
  2. Step 2: Convert to fraction form
    6,113.59/8,436.68 = 3,319.09/x
  3. Step 3: Cross multiply
    6,113.59x = 8,436.68 × 3,319.09
  4. Step 4: Simplify right side
    6,113.59x = 28,002,066.34
  5. Step 5: Solve for x
    x = 28,002,066.34/6,113.59
  6. Step 6: Final answer
    x = 4,580.30

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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.