Home / 4,914.36-7,374.78-3,948.84

Finding the Fourth Proportional to 4,914.36, 7,374.78 and 3,948.84

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Solution

The fourth proportional to 4,914.36, 7,374.78 and 3,948.84 is: 5,925.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,914.36 : 7,374.78 = 3,948.84 : x
  2. Step 2: Convert to fraction form
    4,914.36/7,374.78 = 3,948.84/x
  3. Step 3: Cross multiply
    4,914.36x = 7,374.78 × 3,948.84
  4. Step 4: Simplify right side
    4,914.36x = 29,121,826.26
  5. Step 5: Solve for x
    x = 29,121,826.26/4,914.36
  6. Step 6: Final answer
    x = 5,925.86

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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.