Home / 7,317.80-10,976.70-7,196.30

Finding the Fourth Proportional to 7,317.80, 10,976.70 and 7,196.30

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Solution

The fourth proportional to 7,317.80, 10,976.70 and 7,196.30 is: 10,794.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,317.80 : 10,976.70 = 7,196.30 : x
  2. Step 2: Convert to fraction form
    7,317.80/10,976.70 = 7,196.30/x
  3. Step 3: Cross multiply
    7,317.80x = 10,976.70 × 7,196.30
  4. Step 4: Simplify right side
    7,317.80x = 78,991,626.21
  5. Step 5: Solve for x
    x = 78,991,626.21/7,317.80
  6. Step 6: Final answer
    x = 10,794.45

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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.