Home / 4,821.10-7,231.89-1,358.62

Finding the Fourth Proportional to 4,821.10, 7,231.89 and 1,358.62

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Solution

The fourth proportional to 4,821.10, 7,231.89 and 1,358.62 is: 2,038.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,821.10 : 7,231.89 = 1,358.62 : x
  2. Step 2: Convert to fraction form
    4,821.10/7,231.89 = 1,358.62/x
  3. Step 3: Cross multiply
    4,821.10x = 7,231.89 × 1,358.62
  4. Step 4: Simplify right side
    4,821.10x = 9,825,390.39
  5. Step 5: Solve for x
    x = 9,825,390.39/4,821.10
  6. Step 6: Final answer
    x = 2,038.00

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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.