Home / 5,787.40-8,682.96-1,890.92

Finding the Fourth Proportional to 5,787.40, 8,682.96 and 1,890.92

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Solution

The fourth proportional to 5,787.40, 8,682.96 and 1,890.92 is: 2,836.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,787.40 : 8,682.96 = 1,890.92 : x
  2. Step 2: Convert to fraction form
    5,787.40/8,682.96 = 1,890.92/x
  3. Step 3: Cross multiply
    5,787.40x = 8,682.96 × 1,890.92
  4. Step 4: Simplify right side
    5,787.40x = 16,418,782.72
  5. Step 5: Solve for x
    x = 16,418,782.72/5,787.40
  6. Step 6: Final answer
    x = 2,836.99

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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.