Home / 8,422.37-11,619.29-6,180.35

Finding the Fourth Proportional to 8,422.37, 11,619.29 and 6,180.35

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Solution

The fourth proportional to 8,422.37, 11,619.29 and 6,180.35 is: 8,526.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,422.37 : 11,619.29 = 6,180.35 : x
  2. Step 2: Convert to fraction form
    8,422.37/11,619.29 = 6,180.35/x
  3. Step 3: Cross multiply
    8,422.37x = 11,619.29 × 6,180.35
  4. Step 4: Simplify right side
    8,422.37x = 71,811,248.05
  5. Step 5: Solve for x
    x = 71,811,248.05/8,422.37
  6. Step 6: Final answer
    x = 8,526.25

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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.