Home / 6,787.95-10,181.54-1,857.23

Finding the Fourth Proportional to 6,787.95, 10,181.54 and 1,857.23

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Solution

The fourth proportional to 6,787.95, 10,181.54 and 1,857.23 is: 2,785.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,787.95 : 10,181.54 = 1,857.23 : x
  2. Step 2: Convert to fraction form
    6,787.95/10,181.54 = 1,857.23/x
  3. Step 3: Cross multiply
    6,787.95x = 10,181.54 × 1,857.23
  4. Step 4: Simplify right side
    6,787.95x = 18,909,410.63
  5. Step 5: Solve for x
    x = 18,909,410.63/6,787.95
  6. Step 6: Final answer
    x = 2,785.73

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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.