Home / 6,619.83-9,932.02-3,330.21

Finding the Fourth Proportional to 6,619.83, 9,932.02 and 3,330.21

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Solution

The fourth proportional to 6,619.83, 9,932.02 and 3,330.21 is: 4,996.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,619.83 : 9,932.02 = 3,330.21 : x
  2. Step 2: Convert to fraction form
    6,619.83/9,932.02 = 3,330.21/x
  3. Step 3: Cross multiply
    6,619.83x = 9,932.02 × 3,330.21
  4. Step 4: Simplify right side
    6,619.83x = 33,075,741.24
  5. Step 5: Solve for x
    x = 33,075,741.24/6,619.83
  6. Step 6: Final answer
    x = 4,996.47

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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.