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Finding the Fourth Proportional to 4,905.36, 7,358.04 and 2,308.50

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Solution

The fourth proportional to 4,905.36, 7,358.04 and 2,308.50 is: 3,462.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,905.36 : 7,358.04 = 2,308.50 : x
  2. Step 2: Convert to fraction form
    4,905.36/7,358.04 = 2,308.50/x
  3. Step 3: Cross multiply
    4,905.36x = 7,358.04 × 2,308.50
  4. Step 4: Simplify right side
    4,905.36x = 16,986,035.34
  5. Step 5: Solve for x
    x = 16,986,035.34/4,905.36
  6. Step 6: Final answer
    x = 3,462.75

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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.