Home / 6,907.21-10,359.32-1,975.52

Finding the Fourth Proportional to 6,907.21, 10,359.32 and 1,975.52

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Solution

The fourth proportional to 6,907.21, 10,359.32 and 1,975.52 is: 2,962.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,907.21 : 10,359.32 = 1,975.52 : x
  2. Step 2: Convert to fraction form
    6,907.21/10,359.32 = 1,975.52/x
  3. Step 3: Cross multiply
    6,907.21x = 10,359.32 × 1,975.52
  4. Step 4: Simplify right side
    6,907.21x = 20,465,059.87
  5. Step 5: Solve for x
    x = 20,465,059.87/6,907.21
  6. Step 6: Final answer
    x = 2,962.86

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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.