Home / 4,748.45-7,122.65-1,628.51

Finding the Fourth Proportional to 4,748.45, 7,122.65 and 1,628.51

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Solution

The fourth proportional to 4,748.45, 7,122.65 and 1,628.51 is: 2,442.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,748.45 : 7,122.65 = 1,628.51 : x
  2. Step 2: Convert to fraction form
    4,748.45/7,122.65 = 1,628.51/x
  3. Step 3: Cross multiply
    4,748.45x = 7,122.65 × 1,628.51
  4. Step 4: Simplify right side
    4,748.45x = 11,599,263.00
  5. Step 5: Solve for x
    x = 11,599,263.00/4,748.45
  6. Step 6: Final answer
    x = 2,442.75

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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.