Home / 7,783.85-10,738.64-4,794.50

Finding the Fourth Proportional to 7,783.85, 10,738.64 and 4,794.50

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Solution

The fourth proportional to 7,783.85, 10,738.64 and 4,794.50 is: 6,614.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,783.85 : 10,738.64 = 4,794.50 : x
  2. Step 2: Convert to fraction form
    7,783.85/10,738.64 = 4,794.50/x
  3. Step 3: Cross multiply
    7,783.85x = 10,738.64 × 4,794.50
  4. Step 4: Simplify right side
    7,783.85x = 51,486,409.48
  5. Step 5: Solve for x
    x = 51,486,409.48/7,783.85
  6. Step 6: Final answer
    x = 6,614.52

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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.