Home / 4,761.02-7,140.83-2,787.56

Finding the Fourth Proportional to 4,761.02, 7,140.83 and 2,787.56

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Solution

The fourth proportional to 4,761.02, 7,140.83 and 2,787.56 is: 4,180.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,761.02 : 7,140.83 = 2,787.56 : x
  2. Step 2: Convert to fraction form
    4,761.02/7,140.83 = 2,787.56/x
  3. Step 3: Cross multiply
    4,761.02x = 7,140.83 × 2,787.56
  4. Step 4: Simplify right side
    4,761.02x = 19,905,492.07
  5. Step 5: Solve for x
    x = 19,905,492.07/4,761.02
  6. Step 6: Final answer
    x = 4,180.93

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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.