Home / 6,617.94-9,928.58-2,921.19

Finding the Fourth Proportional to 6,617.94, 9,928.58 and 2,921.19

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Solution

The fourth proportional to 6,617.94, 9,928.58 and 2,921.19 is: 4,382.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,617.94 : 9,928.58 = 2,921.19 : x
  2. Step 2: Convert to fraction form
    6,617.94/9,928.58 = 2,921.19/x
  3. Step 3: Cross multiply
    6,617.94x = 9,928.58 × 2,921.19
  4. Step 4: Simplify right side
    6,617.94x = 29,003,254.00
  5. Step 5: Solve for x
    x = 29,003,254.00/6,617.94
  6. Step 6: Final answer
    x = 4,382.52

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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.