Home / 5,194.81-7,787.58-1,907.14

Finding the Fourth Proportional to 5,194.81, 7,787.58 and 1,907.14

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Solution

The fourth proportional to 5,194.81, 7,787.58 and 1,907.14 is: 2,859.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,194.81 : 7,787.58 = 1,907.14 : x
  2. Step 2: Convert to fraction form
    5,194.81/7,787.58 = 1,907.14/x
  3. Step 3: Cross multiply
    5,194.81x = 7,787.58 × 1,907.14
  4. Step 4: Simplify right side
    5,194.81x = 14,852,005.32
  5. Step 5: Solve for x
    x = 14,852,005.32/5,194.81
  6. Step 6: Final answer
    x = 2,859.01

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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.