Home / 6,318.26-8,719.24-3,485.55

Finding the Fourth Proportional to 6,318.26, 8,719.24 and 3,485.55

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Solution

The fourth proportional to 6,318.26, 8,719.24 and 3,485.55 is: 4,810.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,318.26 : 8,719.24 = 3,485.55 : x
  2. Step 2: Convert to fraction form
    6,318.26/8,719.24 = 3,485.55/x
  3. Step 3: Cross multiply
    6,318.26x = 8,719.24 × 3,485.55
  4. Step 4: Simplify right side
    6,318.26x = 30,391,346.98
  5. Step 5: Solve for x
    x = 30,391,346.98/6,318.26
  6. Step 6: Final answer
    x = 4,810.08

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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.