Home / 6,840.25-10,261.47-2,891.54

Finding the Fourth Proportional to 6,840.25, 10,261.47 and 2,891.54

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Solution

The fourth proportional to 6,840.25, 10,261.47 and 2,891.54 is: 4,337.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,840.25 : 10,261.47 = 2,891.54 : x
  2. Step 2: Convert to fraction form
    6,840.25/10,261.47 = 2,891.54/x
  3. Step 3: Cross multiply
    6,840.25x = 10,261.47 × 2,891.54
  4. Step 4: Simplify right side
    6,840.25x = 29,671,450.96
  5. Step 5: Solve for x
    x = 29,671,450.96/6,840.25
  6. Step 6: Final answer
    x = 4,337.77

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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.