Home / 6,257.16-8,635.32-3,605.40

Finding the Fourth Proportional to 6,257.16, 8,635.32 and 3,605.40

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Solution

The fourth proportional to 6,257.16, 8,635.32 and 3,605.40 is: 4,975.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,257.16 : 8,635.32 = 3,605.40 : x
  2. Step 2: Convert to fraction form
    6,257.16/8,635.32 = 3,605.40/x
  3. Step 3: Cross multiply
    6,257.16x = 8,635.32 × 3,605.40
  4. Step 4: Simplify right side
    6,257.16x = 31,133,782.73
  5. Step 5: Solve for x
    x = 31,133,782.73/6,257.16
  6. Step 6: Final answer
    x = 4,975.71

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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.