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Finding the Fourth Proportional to 4,785, 6,606.54 and 3,385.32

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Solution

The fourth proportional to 4,785, 6,606.54 and 3,385.32 is: 4,674.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,785 : 6,606.54 = 3,385.32 : x
  2. Step 2: Convert to fraction form
    4,785/6,606.54 = 3,385.32/x
  3. Step 3: Cross multiply
    4,785x = 6,606.54 × 3,385.32
  4. Step 4: Simplify right side
    4,785x = 22,365,251.99
  5. Step 5: Solve for x
    x = 22,365,251.99/4,785
  6. Step 6: Final answer
    x = 4,674.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.