Home / 7,858.44-11,787.66-4,398.12

Finding the Fourth Proportional to 7,858.44, 11,787.66 and 4,398.12

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Solution

The fourth proportional to 7,858.44, 11,787.66 and 4,398.12 is: 6,597.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,858.44 : 11,787.66 = 4,398.12 : x
  2. Step 2: Convert to fraction form
    7,858.44/11,787.66 = 4,398.12/x
  3. Step 3: Cross multiply
    7,858.44x = 11,787.66 × 4,398.12
  4. Step 4: Simplify right side
    7,858.44x = 51,843,543.20
  5. Step 5: Solve for x
    x = 51,843,543.20/7,858.44
  6. Step 6: Final answer
    x = 6,597.18

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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.