Home / 6,310.91-8,706.38-3,657.35

Finding the Fourth Proportional to 6,310.91, 8,706.38 and 3,657.35

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Solution

The fourth proportional to 6,310.91, 8,706.38 and 3,657.35 is: 5,045.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,310.91 : 8,706.38 = 3,657.35 : x
  2. Step 2: Convert to fraction form
    6,310.91/8,706.38 = 3,657.35/x
  3. Step 3: Cross multiply
    6,310.91x = 8,706.38 × 3,657.35
  4. Step 4: Simplify right side
    6,310.91x = 31,842,282.37
  5. Step 5: Solve for x
    x = 31,842,282.37/6,310.91
  6. Step 6: Final answer
    x = 5,045.59

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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.