Home / 8,541.90-11,787.80-5,004.40

Finding the Fourth Proportional to 8,541.90, 11,787.80 and 5,004.40

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Solution

The fourth proportional to 8,541.90, 11,787.80 and 5,004.40 is: 6,906.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,541.90 : 11,787.80 = 5,004.40 : x
  2. Step 2: Convert to fraction form
    8,541.90/11,787.80 = 5,004.40/x
  3. Step 3: Cross multiply
    8,541.90x = 11,787.80 × 5,004.40
  4. Step 4: Simplify right side
    8,541.90x = 58,990,866.32
  5. Step 5: Solve for x
    x = 58,990,866.32/8,541.90
  6. Step 6: Final answer
    x = 6,906.06

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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.