Home / 7,908.25-10,912.44-4,370.98

Finding the Fourth Proportional to 7,908.25, 10,912.44 and 4,370.98

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Solution

The fourth proportional to 7,908.25, 10,912.44 and 4,370.98 is: 6,031.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,908.25 : 10,912.44 = 4,370.98 : x
  2. Step 2: Convert to fraction form
    7,908.25/10,912.44 = 4,370.98/x
  3. Step 3: Cross multiply
    7,908.25x = 10,912.44 × 4,370.98
  4. Step 4: Simplify right side
    7,908.25x = 47,698,056.99
  5. Step 5: Solve for x
    x = 47,698,056.99/7,908.25
  6. Step 6: Final answer
    x = 6,031.43

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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.