Home / 6,879.09-10,317.15-3,365.45

Finding the Fourth Proportional to 6,879.09, 10,317.15 and 3,365.45

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Solution

The fourth proportional to 6,879.09, 10,317.15 and 3,365.45 is: 5,047.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,879.09 : 10,317.15 = 3,365.45 : x
  2. Step 2: Convert to fraction form
    6,879.09/10,317.15 = 3,365.45/x
  3. Step 3: Cross multiply
    6,879.09x = 10,317.15 × 3,365.45
  4. Step 4: Simplify right side
    6,879.09x = 34,721,852.47
  5. Step 5: Solve for x
    x = 34,721,852.47/6,879.09
  6. Step 6: Final answer
    x = 5,047.45

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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.