Home / 6,976.55-10,455.57-5,118.98

Finding the Fourth Proportional to 6,976.55, 10,455.57 and 5,118.98

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Solution

The fourth proportional to 6,976.55, 10,455.57 and 5,118.98 is: 7,671.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,976.55 : 10,455.57 = 5,118.98 : x
  2. Step 2: Convert to fraction form
    6,976.55/10,455.57 = 5,118.98/x
  3. Step 3: Cross multiply
    6,976.55x = 10,455.57 × 5,118.98
  4. Step 4: Simplify right side
    6,976.55x = 53,521,801.44
  5. Step 5: Solve for x
    x = 53,521,801.44/6,976.55
  6. Step 6: Final answer
    x = 7,671.67

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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.