Home / 6,122.86-9,184.32-1,505.86

Finding the Fourth Proportional to 6,122.86, 9,184.32 and 1,505.86

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Solution

The fourth proportional to 6,122.86, 9,184.32 and 1,505.86 is: 2,258.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,122.86 : 9,184.32 = 1,505.86 : x
  2. Step 2: Convert to fraction form
    6,122.86/9,184.32 = 1,505.86/x
  3. Step 3: Cross multiply
    6,122.86x = 9,184.32 × 1,505.86
  4. Step 4: Simplify right side
    6,122.86x = 13,830,300.12
  5. Step 5: Solve for x
    x = 13,830,300.12/6,122.86
  6. Step 6: Final answer
    x = 2,258.80

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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.