Home / 6,998.72-10,491.60-2,378.48

Finding the Fourth Proportional to 6,998.72, 10,491.60 and 2,378.48

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Solution

The fourth proportional to 6,998.72, 10,491.60 and 2,378.48 is: 3,565.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,998.72 : 10,491.60 = 2,378.48 : x
  2. Step 2: Convert to fraction form
    6,998.72/10,491.60 = 2,378.48/x
  3. Step 3: Cross multiply
    6,998.72x = 10,491.60 × 2,378.48
  4. Step 4: Simplify right side
    6,998.72x = 24,954,060.77
  5. Step 5: Solve for x
    x = 24,954,060.77/6,998.72
  6. Step 6: Final answer
    x = 3,565.52

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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.