Home / 7,260.48-10,892.34-3,928.68

Finding the Fourth Proportional to 7,260.48, 10,892.34 and 3,928.68

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Solution

The fourth proportional to 7,260.48, 10,892.34 and 3,928.68 is: 5,893.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,260.48 : 10,892.34 = 3,928.68 : x
  2. Step 2: Convert to fraction form
    7,260.48/10,892.34 = 3,928.68/x
  3. Step 3: Cross multiply
    7,260.48x = 10,892.34 × 3,928.68
  4. Step 4: Simplify right side
    7,260.48x = 42,792,518.31
  5. Step 5: Solve for x
    x = 42,792,518.31/7,260.48
  6. Step 6: Final answer
    x = 5,893.90

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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.