Home / 8,006.36-11,038.78-6,120.28

Finding the Fourth Proportional to 8,006.36, 11,038.78 and 6,120.28

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Solution

The fourth proportional to 8,006.36, 11,038.78 and 6,120.28 is: 8,438.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,006.36 : 11,038.78 = 6,120.28 : x
  2. Step 2: Convert to fraction form
    8,006.36/11,038.78 = 6,120.28/x
  3. Step 3: Cross multiply
    8,006.36x = 11,038.78 × 6,120.28
  4. Step 4: Simplify right side
    8,006.36x = 67,560,424.46
  5. Step 5: Solve for x
    x = 67,560,424.46/8,006.36
  6. Step 6: Final answer
    x = 8,438.34

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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.