Home / 5,476.86-7,558.07-3,119.00

Finding the Fourth Proportional to 5,476.86, 7,558.07 and 3,119.00

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Solution

The fourth proportional to 5,476.86, 7,558.07 and 3,119.00 is: 4,304.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,476.86 : 7,558.07 = 3,119.00 : x
  2. Step 2: Convert to fraction form
    5,476.86/7,558.07 = 3,119.00/x
  3. Step 3: Cross multiply
    5,476.86x = 7,558.07 × 3,119.00
  4. Step 4: Simplify right side
    5,476.86x = 23,573,566.94
  5. Step 5: Solve for x
    x = 23,573,566.94/5,476.86
  6. Step 6: Final answer
    x = 4,304.21

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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.