Home / 6,991.64-10,477.44-5,261.48

Finding the Fourth Proportional to 6,991.64, 10,477.44 and 5,261.48

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Solution

The fourth proportional to 6,991.64, 10,477.44 and 5,261.48 is: 7,884.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,991.64 : 10,477.44 = 5,261.48 : x
  2. Step 2: Convert to fraction form
    6,991.64/10,477.44 = 5,261.48/x
  3. Step 3: Cross multiply
    6,991.64x = 10,477.44 × 5,261.48
  4. Step 4: Simplify right side
    6,991.64x = 55,126,841.01
  5. Step 5: Solve for x
    x = 55,126,841.01/6,991.64
  6. Step 6: Final answer
    x = 7,884.68

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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.