Home / 5,674.36-8,516.04-2,389.72

Finding the Fourth Proportional to 5,674.36, 8,516.04 and 2,389.72

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Solution

The fourth proportional to 5,674.36, 8,516.04 and 2,389.72 is: 3,586.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,674.36 : 8,516.04 = 2,389.72 : x
  2. Step 2: Convert to fraction form
    5,674.36/8,516.04 = 2,389.72/x
  3. Step 3: Cross multiply
    5,674.36x = 8,516.04 × 2,389.72
  4. Step 4: Simplify right side
    5,674.36x = 20,350,951.11
  5. Step 5: Solve for x
    x = 20,350,951.11/5,674.36
  6. Step 6: Final answer
    x = 3,586.48

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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.