Home / 7,806.45-11,708.91-4,295.30

Finding the Fourth Proportional to 7,806.45, 11,708.91 and 4,295.30

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Solution

The fourth proportional to 7,806.45, 11,708.91 and 4,295.30 is: 6,442.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,806.45 : 11,708.91 = 4,295.30 : x
  2. Step 2: Convert to fraction form
    7,806.45/11,708.91 = 4,295.30/x
  3. Step 3: Cross multiply
    7,806.45x = 11,708.91 × 4,295.30
  4. Step 4: Simplify right side
    7,806.45x = 50,293,266.49
  5. Step 5: Solve for x
    x = 50,293,266.49/7,806.45
  6. Step 6: Final answer
    x = 6,442.53

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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.