Home / 7,848.78-10,832.85-4,865.94

Finding the Fourth Proportional to 7,848.78, 10,832.85 and 4,865.94

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Solution

The fourth proportional to 7,848.78, 10,832.85 and 4,865.94 is: 6,715.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,848.78 : 10,832.85 = 4,865.94 : x
  2. Step 2: Convert to fraction form
    7,848.78/10,832.85 = 4,865.94/x
  3. Step 3: Cross multiply
    7,848.78x = 10,832.85 × 4,865.94
  4. Step 4: Simplify right side
    7,848.78x = 52,711,998.13
  5. Step 5: Solve for x
    x = 52,711,998.13/7,848.78
  6. Step 6: Final answer
    x = 6,715.95

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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.