Home / 7,436.09-11,154.36-1,889.44

Finding the Fourth Proportional to 7,436.09, 11,154.36 and 1,889.44

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Solution

The fourth proportional to 7,436.09, 11,154.36 and 1,889.44 is: 2,834.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,436.09 : 11,154.36 = 1,889.44 : x
  2. Step 2: Convert to fraction form
    7,436.09/11,154.36 = 1,889.44/x
  3. Step 3: Cross multiply
    7,436.09x = 11,154.36 × 1,889.44
  4. Step 4: Simplify right side
    7,436.09x = 21,075,473.16
  5. Step 5: Solve for x
    x = 21,075,473.16/7,436.09
  6. Step 6: Final answer
    x = 2,834.21

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Double scale
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Similar ratio
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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.