Home / 7,386.41-11,075.76-3,636.63

Finding the Fourth Proportional to 7,386.41, 11,075.76 and 3,636.63

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Solution

The fourth proportional to 7,386.41, 11,075.76 and 3,636.63 is: 5,453.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,386.41 : 11,075.76 = 3,636.63 : x
  2. Step 2: Convert to fraction form
    7,386.41/11,075.76 = 3,636.63/x
  3. Step 3: Cross multiply
    7,386.41x = 11,075.76 × 3,636.63
  4. Step 4: Simplify right side
    7,386.41x = 40,278,441.09
  5. Step 5: Solve for x
    x = 40,278,441.09/7,386.41
  6. Step 6: Final answer
    x = 5,453.05

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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.