Home / 7,771.34-10,733.36-5,130.54

Finding the Fourth Proportional to 7,771.34, 10,733.36 and 5,130.54

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Solution

The fourth proportional to 7,771.34, 10,733.36 and 5,130.54 is: 7,086.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,771.34 : 10,733.36 = 5,130.54 : x
  2. Step 2: Convert to fraction form
    7,771.34/10,733.36 = 5,130.54/x
  3. Step 3: Cross multiply
    7,771.34x = 10,733.36 × 5,130.54
  4. Step 4: Simplify right side
    7,771.34x = 55,067,936.02
  5. Step 5: Solve for x
    x = 55,067,936.02/7,771.34
  6. Step 6: Final answer
    x = 7,086.03

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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.