Home / 7,858.12-11,787.20-2,014.74

Finding the Fourth Proportional to 7,858.12, 11,787.20 and 2,014.74

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Solution

The fourth proportional to 7,858.12, 11,787.20 and 2,014.74 is: 3,022.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,858.12 : 11,787.20 = 2,014.74 : x
  2. Step 2: Convert to fraction form
    7,858.12/11,787.20 = 2,014.74/x
  3. Step 3: Cross multiply
    7,858.12x = 11,787.20 × 2,014.74
  4. Step 4: Simplify right side
    7,858.12x = 23,748,143.33
  5. Step 5: Solve for x
    x = 23,748,143.33/7,858.12
  6. Step 6: Final answer
    x = 3,022.12

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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.