Home / 4,762.36-7,140.66-3,218.68

Finding the Fourth Proportional to 4,762.36, 7,140.66 and 3,218.68

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Solution

The fourth proportional to 4,762.36, 7,140.66 and 3,218.68 is: 4,826.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,762.36 : 7,140.66 = 3,218.68 : x
  2. Step 2: Convert to fraction form
    4,762.36/7,140.66 = 3,218.68/x
  3. Step 3: Cross multiply
    4,762.36x = 7,140.66 × 3,218.68
  4. Step 4: Simplify right side
    4,762.36x = 22,983,499.53
  5. Step 5: Solve for x
    x = 22,983,499.53/4,762.36
  6. Step 6: Final answer
    x = 4,826.07

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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.