Home / 9,705.20-14,554.20-3,860.60

Finding the Fourth Proportional to 9,705.20, 14,554.20 and 3,860.60

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Solution

The fourth proportional to 9,705.20, 14,554.20 and 3,860.60 is: 5,789.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,705.20 : 14,554.20 = 3,860.60 : x
  2. Step 2: Convert to fraction form
    9,705.20/14,554.20 = 3,860.60/x
  3. Step 3: Cross multiply
    9,705.20x = 14,554.20 × 3,860.60
  4. Step 4: Simplify right side
    9,705.20x = 56,187,944.52
  5. Step 5: Solve for x
    x = 56,187,944.52/9,705.20
  6. Step 6: Final answer
    x = 5,789.47

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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.