Home / 7,382.48-11,076.11-4,420.46

Finding the Fourth Proportional to 7,382.48, 11,076.11 and 4,420.46

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Solution

The fourth proportional to 7,382.48, 11,076.11 and 4,420.46 is: 6,632.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,382.48 : 11,076.11 = 4,420.46 : x
  2. Step 2: Convert to fraction form
    7,382.48/11,076.11 = 4,420.46/x
  3. Step 3: Cross multiply
    7,382.48x = 11,076.11 × 4,420.46
  4. Step 4: Simplify right side
    7,382.48x = 48,961,501.21
  5. Step 5: Solve for x
    x = 48,961,501.21/7,382.48
  6. Step 6: Final answer
    x = 6,632.12

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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.