Home / 5,619.21-8,447.28-5,213.25

Finding the Fourth Proportional to 5,619.21, 8,447.28 and 5,213.25

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Solution

The fourth proportional to 5,619.21, 8,447.28 and 5,213.25 is: 7,837.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,619.21 : 8,447.28 = 5,213.25 : x
  2. Step 2: Convert to fraction form
    5,619.21/8,447.28 = 5,213.25/x
  3. Step 3: Cross multiply
    5,619.21x = 8,447.28 × 5,213.25
  4. Step 4: Simplify right side
    5,619.21x = 44,037,782.46
  5. Step 5: Solve for x
    x = 44,037,782.46/5,619.21
  6. Step 6: Final answer
    x = 7,837.01

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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.