Home / 6,669.28-9,197.46-6,139.34

Finding the Fourth Proportional to 6,669.28, 9,197.46 and 6,139.34

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Solution

The fourth proportional to 6,669.28, 9,197.46 and 6,139.34 is: 8,466.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,669.28 : 9,197.46 = 6,139.34 : x
  2. Step 2: Convert to fraction form
    6,669.28/9,197.46 = 6,139.34/x
  3. Step 3: Cross multiply
    6,669.28x = 9,197.46 × 6,139.34
  4. Step 4: Simplify right side
    6,669.28x = 56,466,288.09
  5. Step 5: Solve for x
    x = 56,466,288.09/6,669.28
  6. Step 6: Final answer
    x = 8,466.63

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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.