Home / 6,840.32-9,439.62-3,696.50

Finding the Fourth Proportional to 6,840.32, 9,439.62 and 3,696.50

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Solution

The fourth proportional to 6,840.32, 9,439.62 and 3,696.50 is: 5,101.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,840.32 : 9,439.62 = 3,696.50 : x
  2. Step 2: Convert to fraction form
    6,840.32/9,439.62 = 3,696.50/x
  3. Step 3: Cross multiply
    6,840.32x = 9,439.62 × 3,696.50
  4. Step 4: Simplify right side
    6,840.32x = 34,893,555.33
  5. Step 5: Solve for x
    x = 34,893,555.33/6,840.32
  6. Step 6: Final answer
    x = 5,101.16

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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.