Home / 4,402.12-6,602.78-1,628.81

Finding the Fourth Proportional to 4,402.12, 6,602.78 and 1,628.81

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Solution

The fourth proportional to 4,402.12, 6,602.78 and 1,628.81 is: 2,443.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,402.12 : 6,602.78 = 1,628.81 : x
  2. Step 2: Convert to fraction form
    4,402.12/6,602.78 = 1,628.81/x
  3. Step 3: Cross multiply
    4,402.12x = 6,602.78 × 1,628.81
  4. Step 4: Simplify right side
    4,402.12x = 10,754,665.95
  5. Step 5: Solve for x
    x = 10,754,665.95/4,402.12
  6. Step 6: Final answer
    x = 2,443.07

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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.