Home / 7,705.40-11,550.26-4,896.30

Finding the Fourth Proportional to 7,705.40, 11,550.26 and 4,896.30

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Solution

The fourth proportional to 7,705.40, 11,550.26 and 4,896.30 is: 7,339.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,705.40 : 11,550.26 = 4,896.30 : x
  2. Step 2: Convert to fraction form
    7,705.40/11,550.26 = 4,896.30/x
  3. Step 3: Cross multiply
    7,705.40x = 11,550.26 × 4,896.30
  4. Step 4: Simplify right side
    7,705.40x = 56,553,593.59
  5. Step 5: Solve for x
    x = 56,553,593.59/7,705.40
  6. Step 6: Final answer
    x = 7,339.47

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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.