Home / 9,847.44-13,589.28-5,371.20

Finding the Fourth Proportional to 9,847.44, 13,589.28 and 5,371.20

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Solution

The fourth proportional to 9,847.44, 13,589.28 and 5,371.20 is: 7,412.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,847.44 : 13,589.28 = 5,371.20 : x
  2. Step 2: Convert to fraction form
    9,847.44/13,589.28 = 5,371.20/x
  3. Step 3: Cross multiply
    9,847.44x = 13,589.28 × 5,371.20
  4. Step 4: Simplify right side
    9,847.44x = 72,990,740.74
  5. Step 5: Solve for x
    x = 72,990,740.74/9,847.44
  6. Step 6: Final answer
    x = 7,412.15

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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.