Home / 5,355.07-7,390.86-3,675.09

Finding the Fourth Proportional to 5,355.07, 7,390.86 and 3,675.09

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Solution

The fourth proportional to 5,355.07, 7,390.86 and 3,675.09 is: 5,072.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,355.07 : 7,390.86 = 3,675.09 : x
  2. Step 2: Convert to fraction form
    5,355.07/7,390.86 = 3,675.09/x
  3. Step 3: Cross multiply
    5,355.07x = 7,390.86 × 3,675.09
  4. Step 4: Simplify right side
    5,355.07x = 27,162,075.68
  5. Step 5: Solve for x
    x = 27,162,075.68/5,355.07
  6. Step 6: Final answer
    x = 5,072.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.