Home / 7,453.95-11,180.87-1,907.28

Finding the Fourth Proportional to 7,453.95, 11,180.87 and 1,907.28

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Solution

The fourth proportional to 7,453.95, 11,180.87 and 1,907.28 is: 2,860.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,453.95 : 11,180.87 = 1,907.28 : x
  2. Step 2: Convert to fraction form
    7,453.95/11,180.87 = 1,907.28/x
  3. Step 3: Cross multiply
    7,453.95x = 11,180.87 × 1,907.28
  4. Step 4: Simplify right side
    7,453.95x = 21,325,040.20
  5. Step 5: Solve for x
    x = 21,325,040.20/7,453.95
  6. Step 6: Final answer
    x = 2,860.90

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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.