Home / 5,787.18-8,678.67-2,088.41

Finding the Fourth Proportional to 5,787.18, 8,678.67 and 2,088.41

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Solution

The fourth proportional to 5,787.18, 8,678.67 and 2,088.41 is: 3,131.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,787.18 : 8,678.67 = 2,088.41 : x
  2. Step 2: Convert to fraction form
    5,787.18/8,678.67 = 2,088.41/x
  3. Step 3: Cross multiply
    5,787.18x = 8,678.67 × 2,088.41
  4. Step 4: Simplify right side
    5,787.18x = 18,124,621.21
  5. Step 5: Solve for x
    x = 18,124,621.21/5,787.18
  6. Step 6: Final answer
    x = 3,131.86

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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.