Home / 7,848.78-10,826.79-4,703.15

Finding the Fourth Proportional to 7,848.78, 10,826.79 and 4,703.15

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Solution

The fourth proportional to 7,848.78, 10,826.79 and 4,703.15 is: 6,487.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,848.78 : 10,826.79 = 4,703.15 : x
  2. Step 2: Convert to fraction form
    7,848.78/10,826.79 = 4,703.15/x
  3. Step 3: Cross multiply
    7,848.78x = 10,826.79 × 4,703.15
  4. Step 4: Simplify right side
    7,848.78x = 50,919,963.25
  5. Step 5: Solve for x
    x = 50,919,963.25/7,848.78
  6. Step 6: Final answer
    x = 6,487.63

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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.