Home / 6,113.43-8,436.49-3,318.93

Finding the Fourth Proportional to 6,113.43, 8,436.49 and 3,318.93

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Solution

The fourth proportional to 6,113.43, 8,436.49 and 3,318.93 is: 4,580.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,113.43 : 8,436.49 = 3,318.93 : x
  2. Step 2: Convert to fraction form
    6,113.43/8,436.49 = 3,318.93/x
  3. Step 3: Cross multiply
    6,113.43x = 8,436.49 × 3,318.93
  4. Step 4: Simplify right side
    6,113.43x = 28,000,119.76
  5. Step 5: Solve for x
    x = 28,000,119.76/6,113.43
  6. Step 6: Final answer
    x = 4,580.10

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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.