Home / 8,541.52-11,787.30-5,007.76

Finding the Fourth Proportional to 8,541.52, 11,787.30 and 5,007.76

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Solution

The fourth proportional to 8,541.52, 11,787.30 and 5,007.76 is: 6,910.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,541.52 : 11,787.30 = 5,007.76 : x
  2. Step 2: Convert to fraction form
    8,541.52/11,787.30 = 5,007.76/x
  3. Step 3: Cross multiply
    8,541.52x = 11,787.30 × 5,007.76
  4. Step 4: Simplify right side
    8,541.52x = 59,027,969.45
  5. Step 5: Solve for x
    x = 59,027,969.45/8,541.52
  6. Step 6: Final answer
    x = 6,910.71

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1.5x scale

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.