Home / 4,355.13-6,533.60-2,131.77

Finding the Fourth Proportional to 4,355.13, 6,533.60 and 2,131.77

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Solution

The fourth proportional to 4,355.13, 6,533.60 and 2,131.77 is: 3,198.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,355.13 : 6,533.60 = 2,131.77 : x
  2. Step 2: Convert to fraction form
    4,355.13/6,533.60 = 2,131.77/x
  3. Step 3: Cross multiply
    4,355.13x = 6,533.60 × 2,131.77
  4. Step 4: Simplify right side
    4,355.13x = 13,928,121.81
  5. Step 5: Solve for x
    x = 13,928,121.81/4,355.13
  6. Step 6: Final answer
    x = 3,198.10

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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.