Home / 6,810.12-10,212.57-2,649.60

Finding the Fourth Proportional to 6,810.12, 10,212.57 and 2,649.60

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Solution

The fourth proportional to 6,810.12, 10,212.57 and 2,649.60 is: 3,973.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,810.12 : 10,212.57 = 2,649.60 : x
  2. Step 2: Convert to fraction form
    6,810.12/10,212.57 = 2,649.60/x
  3. Step 3: Cross multiply
    6,810.12x = 10,212.57 × 2,649.60
  4. Step 4: Simplify right side
    6,810.12x = 27,059,225.47
  5. Step 5: Solve for x
    x = 27,059,225.47/6,810.12
  6. Step 6: Final answer
    x = 3,973.38

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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.