Home / 6,990.75-10,461.01-5,137.27

Finding the Fourth Proportional to 6,990.75, 10,461.01 and 5,137.27

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Solution

The fourth proportional to 6,990.75, 10,461.01 and 5,137.27 is: 7,687.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,990.75 : 10,461.01 = 5,137.27 : x
  2. Step 2: Convert to fraction form
    6,990.75/10,461.01 = 5,137.27/x
  3. Step 3: Cross multiply
    6,990.75x = 10,461.01 × 5,137.27
  4. Step 4: Simplify right side
    6,990.75x = 53,741,032.84
  5. Step 5: Solve for x
    x = 53,741,032.84/6,990.75
  6. Step 6: Final answer
    x = 7,687.45

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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.