Home / 4,885.92-7,318.59-3,840.95

Finding the Fourth Proportional to 4,885.92, 7,318.59 and 3,840.95

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Solution

The fourth proportional to 4,885.92, 7,318.59 and 3,840.95 is: 5,753.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,885.92 : 7,318.59 = 3,840.95 : x
  2. Step 2: Convert to fraction form
    4,885.92/7,318.59 = 3,840.95/x
  3. Step 3: Cross multiply
    4,885.92x = 7,318.59 × 3,840.95
  4. Step 4: Simplify right side
    4,885.92x = 28,110,342.15
  5. Step 5: Solve for x
    x = 28,110,342.15/4,885.92
  6. Step 6: Final answer
    x = 5,753.34

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1.5x scale

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.