Home / 6,719.76-10,075.94-3,210.65

Finding the Fourth Proportional to 6,719.76, 10,075.94 and 3,210.65

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Solution

The fourth proportional to 6,719.76, 10,075.94 and 3,210.65 is: 4,814.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,719.76 : 10,075.94 = 3,210.65 : x
  2. Step 2: Convert to fraction form
    6,719.76/10,075.94 = 3,210.65/x
  3. Step 3: Cross multiply
    6,719.76x = 10,075.94 × 3,210.65
  4. Step 4: Simplify right side
    6,719.76x = 32,350,316.76
  5. Step 5: Solve for x
    x = 32,350,316.76/6,719.76
  6. Step 6: Final answer
    x = 4,814.21

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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.