Home / 7,415.48-11,117.44-3,715.80

Finding the Fourth Proportional to 7,415.48, 11,117.44 and 3,715.80

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Solution

The fourth proportional to 7,415.48, 11,117.44 and 3,715.80 is: 5,570.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,415.48 : 11,117.44 = 3,715.80 : x
  2. Step 2: Convert to fraction form
    7,415.48/11,117.44 = 3,715.80/x
  3. Step 3: Cross multiply
    7,415.48x = 11,117.44 × 3,715.80
  4. Step 4: Simplify right side
    7,415.48x = 41,310,183.55
  5. Step 5: Solve for x
    x = 41,310,183.55/7,415.48
  6. Step 6: Final answer
    x = 5,570.80

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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.