Home / 7,945.48-11,898.70-6,550.28

Finding the Fourth Proportional to 7,945.48, 11,898.70 and 6,550.28

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Solution

The fourth proportional to 7,945.48, 11,898.70 and 6,550.28 is: 9,809.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,945.48 : 11,898.70 = 6,550.28 : x
  2. Step 2: Convert to fraction form
    7,945.48/11,898.70 = 6,550.28/x
  3. Step 3: Cross multiply
    7,945.48x = 11,898.70 × 6,550.28
  4. Step 4: Simplify right side
    7,945.48x = 77,939,816.64
  5. Step 5: Solve for x
    x = 77,939,816.64/7,945.48
  6. Step 6: Final answer
    x = 9,809.33

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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.