Home / 6,898.20-10,347.70-1,968.20

Finding the Fourth Proportional to 6,898.20, 10,347.70 and 1,968.20

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Solution

The fourth proportional to 6,898.20, 10,347.70 and 1,968.20 is: 2,952.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,898.20 : 10,347.70 = 1,968.20 : x
  2. Step 2: Convert to fraction form
    6,898.20/10,347.70 = 1,968.20/x
  3. Step 3: Cross multiply
    6,898.20x = 10,347.70 × 1,968.20
  4. Step 4: Simplify right side
    6,898.20x = 20,366,343.14
  5. Step 5: Solve for x
    x = 20,366,343.14/6,898.20
  6. Step 6: Final answer
    x = 2,952.41

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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.