Home / 5,683.08-8,523.90-1,787.40

Finding the Fourth Proportional to 5,683.08, 8,523.90 and 1,787.40

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Solution

The fourth proportional to 5,683.08, 8,523.90 and 1,787.40 is: 2,680.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,683.08 : 8,523.90 = 1,787.40 : x
  2. Step 2: Convert to fraction form
    5,683.08/8,523.90 = 1,787.40/x
  3. Step 3: Cross multiply
    5,683.08x = 8,523.90 × 1,787.40
  4. Step 4: Simplify right side
    5,683.08x = 15,235,618.86
  5. Step 5: Solve for x
    x = 15,235,618.86/5,683.08
  6. Step 6: Final answer
    x = 2,680.87

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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.