Home / 9,228.63-13,844.72-2,990.19

Finding the Fourth Proportional to 9,228.63, 13,844.72 and 2,990.19

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Solution

The fourth proportional to 9,228.63, 13,844.72 and 2,990.19 is: 4,485.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,228.63 : 13,844.72 = 2,990.19 : x
  2. Step 2: Convert to fraction form
    9,228.63/13,844.72 = 2,990.19/x
  3. Step 3: Cross multiply
    9,228.63x = 13,844.72 × 2,990.19
  4. Step 4: Simplify right side
    9,228.63x = 41,398,328.35
  5. Step 5: Solve for x
    x = 41,398,328.35/9,228.63
  6. Step 6: Final answer
    x = 4,485.86

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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.