Home / 7,383.93-11,075.88-2,190.21

Finding the Fourth Proportional to 7,383.93, 11,075.88 and 2,190.21

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Solution

The fourth proportional to 7,383.93, 11,075.88 and 2,190.21 is: 3,285.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,383.93 : 11,075.88 = 2,190.21 : x
  2. Step 2: Convert to fraction form
    7,383.93/11,075.88 = 2,190.21/x
  3. Step 3: Cross multiply
    7,383.93x = 11,075.88 × 2,190.21
  4. Step 4: Simplify right side
    7,383.93x = 24,258,503.13
  5. Step 5: Solve for x
    x = 24,258,503.13/7,383.93
  6. Step 6: Final answer
    x = 3,285.31

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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.