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Finding the Fourth Proportional to 7,285.97, 10,928.69 and 2,355.48

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Solution

The fourth proportional to 7,285.97, 10,928.69 and 2,355.48 is: 3,533.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,285.97 : 10,928.69 = 2,355.48 : x
  2. Step 2: Convert to fraction form
    7,285.97/10,928.69 = 2,355.48/x
  3. Step 3: Cross multiply
    7,285.97x = 10,928.69 × 2,355.48
  4. Step 4: Simplify right side
    7,285.97x = 25,742,256.08
  5. Step 5: Solve for x
    x = 25,742,256.08/7,285.97
  6. Step 6: Final answer
    x = 3,533.13

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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.