Home / 7,783.86-10,744.74-4,640.26

Finding the Fourth Proportional to 7,783.86, 10,744.74 and 4,640.26

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Solution

The fourth proportional to 7,783.86, 10,744.74 and 4,640.26 is: 6,405.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,783.86 : 10,744.74 = 4,640.26 : x
  2. Step 2: Convert to fraction form
    7,783.86/10,744.74 = 4,640.26/x
  3. Step 3: Cross multiply
    7,783.86x = 10,744.74 × 4,640.26
  4. Step 4: Simplify right side
    7,783.86x = 49,858,387.23
  5. Step 5: Solve for x
    x = 49,858,387.23/7,783.86
  6. Step 6: Final answer
    x = 6,405.36

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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.