Home / 6,898.06-9,518.34-3,914.02

Finding the Fourth Proportional to 6,898.06, 9,518.34 and 3,914.02

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Solution

The fourth proportional to 6,898.06, 9,518.34 and 3,914.02 is: 5,400.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,898.06 : 9,518.34 = 3,914.02 : x
  2. Step 2: Convert to fraction form
    6,898.06/9,518.34 = 3,914.02/x
  3. Step 3: Cross multiply
    6,898.06x = 9,518.34 × 3,914.02
  4. Step 4: Simplify right side
    6,898.06x = 37,254,973.13
  5. Step 5: Solve for x
    x = 37,254,973.13/6,898.06
  6. Step 6: Final answer
    x = 5,400.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.