Home / 7,388.72-10,193.42-4,515.98

Finding the Fourth Proportional to 7,388.72, 10,193.42 and 4,515.98

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Solution

The fourth proportional to 7,388.72, 10,193.42 and 4,515.98 is: 6,230.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,388.72 : 10,193.42 = 4,515.98 : x
  2. Step 2: Convert to fraction form
    7,388.72/10,193.42 = 4,515.98/x
  3. Step 3: Cross multiply
    7,388.72x = 10,193.42 × 4,515.98
  4. Step 4: Simplify right side
    7,388.72x = 46,033,280.85
  5. Step 5: Solve for x
    x = 46,033,280.85/7,388.72
  6. Step 6: Final answer
    x = 6,230.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.