Home / 6,898.31-9,519.63-3,754.50

Finding the Fourth Proportional to 6,898.31, 9,519.63 and 3,754.50

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Solution

The fourth proportional to 6,898.31, 9,519.63 and 3,754.50 is: 5,181.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,898.31 : 9,519.63 = 3,754.50 : x
  2. Step 2: Convert to fraction form
    6,898.31/9,519.63 = 3,754.50/x
  3. Step 3: Cross multiply
    6,898.31x = 9,519.63 × 3,754.50
  4. Step 4: Simplify right side
    6,898.31x = 35,741,454.60
  5. Step 5: Solve for x
    x = 35,741,454.60/6,898.31
  6. Step 6: Final answer
    x = 5,181.19

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1.5x scale

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.