Home / 4,766.31-7,154.46-2,688.12

Finding the Fourth Proportional to 4,766.31, 7,154.46 and 2,688.12

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Solution

The fourth proportional to 4,766.31, 7,154.46 and 2,688.12 is: 4,035.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,766.31 : 7,154.46 = 2,688.12 : x
  2. Step 2: Convert to fraction form
    4,766.31/7,154.46 = 2,688.12/x
  3. Step 3: Cross multiply
    4,766.31x = 7,154.46 × 2,688.12
  4. Step 4: Simplify right side
    4,766.31x = 19,232,047.02
  5. Step 5: Solve for x
    x = 19,232,047.02/4,766.31
  6. Step 6: Final answer
    x = 4,035.00

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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.