Home / 8,683.34-13,025.57-3,489.21

Finding the Fourth Proportional to 8,683.34, 13,025.57 and 3,489.21

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Solution

The fourth proportional to 8,683.34, 13,025.57 and 3,489.21 is: 5,234.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,683.34 : 13,025.57 = 3,489.21 : x
  2. Step 2: Convert to fraction form
    8,683.34/13,025.57 = 3,489.21/x
  3. Step 3: Cross multiply
    8,683.34x = 13,025.57 × 3,489.21
  4. Step 4: Simplify right side
    8,683.34x = 45,448,931.65
  5. Step 5: Solve for x
    x = 45,448,931.65/8,683.34
  6. Step 6: Final answer
    x = 5,234.04

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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.