Home / 7,271.28-10,907.46-2,077.56

Finding the Fourth Proportional to 7,271.28, 10,907.46 and 2,077.56

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Solution

The fourth proportional to 7,271.28, 10,907.46 and 2,077.56 is: 3,116.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,271.28 : 10,907.46 = 2,077.56 : x
  2. Step 2: Convert to fraction form
    7,271.28/10,907.46 = 2,077.56/x
  3. Step 3: Cross multiply
    7,271.28x = 10,907.46 × 2,077.56
  4. Step 4: Simplify right side
    7,271.28x = 22,660,902.60
  5. Step 5: Solve for x
    x = 22,660,902.60/7,271.28
  6. Step 6: Final answer
    x = 3,116.49

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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.