Home / 6,913.85-10,369.37-1,982.16

Finding the Fourth Proportional to 6,913.85, 10,369.37 and 1,982.16

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Solution

The fourth proportional to 6,913.85, 10,369.37 and 1,982.16 is: 2,972.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,913.85 : 10,369.37 = 1,982.16 : x
  2. Step 2: Convert to fraction form
    6,913.85/10,369.37 = 1,982.16/x
  3. Step 3: Cross multiply
    6,913.85x = 10,369.37 × 1,982.16
  4. Step 4: Simplify right side
    6,913.85x = 20,553,740.53
  5. Step 5: Solve for x
    x = 20,553,740.53/6,913.85
  6. Step 6: Final answer
    x = 2,972.84

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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.