Home / 8,130.09-12,190.59-3,062.22

Finding the Fourth Proportional to 8,130.09, 12,190.59 and 3,062.22

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Solution

The fourth proportional to 8,130.09, 12,190.59 and 3,062.22 is: 4,591.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,130.09 : 12,190.59 = 3,062.22 : x
  2. Step 2: Convert to fraction form
    8,130.09/12,190.59 = 3,062.22/x
  3. Step 3: Cross multiply
    8,130.09x = 12,190.59 × 3,062.22
  4. Step 4: Simplify right side
    8,130.09x = 37,330,268.51
  5. Step 5: Solve for x
    x = 37,330,268.51/8,130.09
  6. Step 6: Final answer
    x = 4,591.62

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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.