Home / 6,840.32-10,260.50-1,910.09

Finding the Fourth Proportional to 6,840.32, 10,260.50 and 1,910.09

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Solution

The fourth proportional to 6,840.32, 10,260.50 and 1,910.09 is: 2,865.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,840.32 : 10,260.50 = 1,910.09 : x
  2. Step 2: Convert to fraction form
    6,840.32/10,260.50 = 1,910.09/x
  3. Step 3: Cross multiply
    6,840.32x = 10,260.50 × 1,910.09
  4. Step 4: Simplify right side
    6,840.32x = 19,598,494.55
  5. Step 5: Solve for x
    x = 19,598,494.55/6,840.32
  6. Step 6: Final answer
    x = 2,865.15

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.