Home / 6,618.12-9,133.02-3,634.15

Finding the Fourth Proportional to 6,618.12, 9,133.02 and 3,634.15

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Solution

The fourth proportional to 6,618.12, 9,133.02 and 3,634.15 is: 5,015.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,618.12 : 9,133.02 = 3,634.15 : x
  2. Step 2: Convert to fraction form
    6,618.12/9,133.02 = 3,634.15/x
  3. Step 3: Cross multiply
    6,618.12x = 9,133.02 × 3,634.15
  4. Step 4: Simplify right side
    6,618.12x = 33,190,741.80
  5. Step 5: Solve for x
    x = 33,190,741.80/6,618.12
  6. Step 6: Final answer
    x = 5,015.13

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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.