Home / 7,907.23-10,912.04-4,370.55

Finding the Fourth Proportional to 7,907.23, 10,912.04 and 4,370.55

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Solution

The fourth proportional to 7,907.23, 10,912.04 and 4,370.55 is: 6,031.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,907.23 : 10,912.04 = 4,370.55 : x
  2. Step 2: Convert to fraction form
    7,907.23/10,912.04 = 4,370.55/x
  3. Step 3: Cross multiply
    7,907.23x = 10,912.04 × 4,370.55
  4. Step 4: Simplify right side
    7,907.23x = 47,691,616.42
  5. Step 5: Solve for x
    x = 47,691,616.42/7,907.23
  6. Step 6: Final answer
    x = 6,031.39

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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.