Home / 6,450.68-8,921.58-5,787.29

Finding the Fourth Proportional to 6,450.68, 8,921.58 and 5,787.29

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Solution

The fourth proportional to 6,450.68, 8,921.58 and 5,787.29 is: 8,004.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,450.68 : 8,921.58 = 5,787.29 : x
  2. Step 2: Convert to fraction form
    6,450.68/8,921.58 = 5,787.29/x
  3. Step 3: Cross multiply
    6,450.68x = 8,921.58 × 5,787.29
  4. Step 4: Simplify right side
    6,450.68x = 51,631,770.72
  5. Step 5: Solve for x
    x = 51,631,770.72/6,450.68
  6. Step 6: Final answer
    x = 8,004.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.