Home / 4,883.40-7,325.61-1,420.65

Finding the Fourth Proportional to 4,883.40, 7,325.61 and 1,420.65

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Solution

The fourth proportional to 4,883.40, 7,325.61 and 1,420.65 is: 2,131.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,883.40 : 7,325.61 = 1,420.65 : x
  2. Step 2: Convert to fraction form
    4,883.40/7,325.61 = 1,420.65/x
  3. Step 3: Cross multiply
    4,883.40x = 7,325.61 × 1,420.65
  4. Step 4: Simplify right side
    4,883.40x = 10,407,127.85
  5. Step 5: Solve for x
    x = 10,407,127.85/4,883.40
  6. Step 6: Final answer
    x = 2,131.12

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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.