Home / 7,104.18-9,806.45-6,105.45

Finding the Fourth Proportional to 7,104.18, 9,806.45 and 6,105.45

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Solution

The fourth proportional to 7,104.18, 9,806.45 and 6,105.45 is: 8,427.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,104.18 : 9,806.45 = 6,105.45 : x
  2. Step 2: Convert to fraction form
    7,104.18/9,806.45 = 6,105.45/x
  3. Step 3: Cross multiply
    7,104.18x = 9,806.45 × 6,105.45
  4. Step 4: Simplify right side
    7,104.18x = 59,872,759.63
  5. Step 5: Solve for x
    x = 59,872,759.63/7,104.18
  6. Step 6: Final answer
    x = 8,427.82

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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.