Home / 7,947.72-11,894.04-4,826.16

Finding the Fourth Proportional to 7,947.72, 11,894.04 and 4,826.16

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Solution

The fourth proportional to 7,947.72, 11,894.04 and 4,826.16 is: 7,222.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,947.72 : 11,894.04 = 4,826.16 : x
  2. Step 2: Convert to fraction form
    7,947.72/11,894.04 = 4,826.16/x
  3. Step 3: Cross multiply
    7,947.72x = 11,894.04 × 4,826.16
  4. Step 4: Simplify right side
    7,947.72x = 57,402,540.09
  5. Step 5: Solve for x
    x = 57,402,540.09/7,947.72
  6. Step 6: Final answer
    x = 7,222.52

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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.