Home / 7,160.21-10,736.00-3,210.75

Finding the Fourth Proportional to 7,160.21, 10,736.00 and 3,210.75

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Solution

The fourth proportional to 7,160.21, 10,736.00 and 3,210.75 is: 4,814.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,160.21 : 10,736.00 = 3,210.75 : x
  2. Step 2: Convert to fraction form
    7,160.21/10,736.00 = 3,210.75/x
  3. Step 3: Cross multiply
    7,160.21x = 10,736.00 × 3,210.75
  4. Step 4: Simplify right side
    7,160.21x = 34,470,595.95
  5. Step 5: Solve for x
    x = 34,470,595.95/7,160.21
  6. Step 6: Final answer
    x = 4,814.19

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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.