Home / 6,810.14-10,200.84-3,115.47

Finding the Fourth Proportional to 6,810.14, 10,200.84 and 3,115.47

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Solution

The fourth proportional to 6,810.14, 10,200.84 and 3,115.47 is: 4,666.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,810.14 : 10,200.84 = 3,115.47 : x
  2. Step 2: Convert to fraction form
    6,810.14/10,200.84 = 3,115.47/x
  3. Step 3: Cross multiply
    6,810.14x = 10,200.84 × 3,115.47
  4. Step 4: Simplify right side
    6,810.14x = 31,780,410.99
  5. Step 5: Solve for x
    x = 31,780,410.99/6,810.14
  6. Step 6: Final answer
    x = 4,666.63

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1.5x scale

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.