Home / 7,214.16-10,813.86-2,825.64

Finding the Fourth Proportional to 7,214.16, 10,813.86 and 2,825.64

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Solution

The fourth proportional to 7,214.16, 10,813.86 and 2,825.64 is: 4,235.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,214.16 : 10,813.86 = 2,825.64 : x
  2. Step 2: Convert to fraction form
    7,214.16/10,813.86 = 2,825.64/x
  3. Step 3: Cross multiply
    7,214.16x = 10,813.86 × 2,825.64
  4. Step 4: Simplify right side
    7,214.16x = 30,556,075.37
  5. Step 5: Solve for x
    x = 30,556,075.37/7,214.16
  6. Step 6: Final answer
    x = 4,235.57

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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.