Home / 7,285.65-10,928.36-2,604.39

Finding the Fourth Proportional to 7,285.65, 10,928.36 and 2,604.39

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Solution

The fourth proportional to 7,285.65, 10,928.36 and 2,604.39 is: 3,906.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,285.65 : 10,928.36 = 2,604.39 : x
  2. Step 2: Convert to fraction form
    7,285.65/10,928.36 = 2,604.39/x
  3. Step 3: Cross multiply
    7,285.65x = 10,928.36 × 2,604.39
  4. Step 4: Simplify right side
    7,285.65x = 28,461,698.48
  5. Step 5: Solve for x
    x = 28,461,698.48/7,285.65
  6. Step 6: Final answer
    x = 3,906.54

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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.