Home / 7,473.36-11,217-3,778.19

Finding the Fourth Proportional to 7,473.36, 11,217 and 3,778.19

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Solution

The fourth proportional to 7,473.36, 11,217 and 3,778.19 is: 5,670.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,473.36 : 11,217 = 3,778.19 : x
  2. Step 2: Convert to fraction form
    7,473.36/11,217 = 3,778.19/x
  3. Step 3: Cross multiply
    7,473.36x = 11,217 × 3,778.19
  4. Step 4: Simplify right side
    7,473.36x = 42,379,957.23
  5. Step 5: Solve for x
    x = 42,379,957.23/7,473.36
  6. Step 6: Final answer
    x = 5,670.80

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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.