Home / 8,005.36-11,037.40-6,119.28

Finding the Fourth Proportional to 8,005.36, 11,037.40 and 6,119.28

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Solution

The fourth proportional to 8,005.36, 11,037.40 and 6,119.28 is: 8,436.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,005.36 : 11,037.40 = 6,119.28 : x
  2. Step 2: Convert to fraction form
    8,005.36/11,037.40 = 6,119.28/x
  3. Step 3: Cross multiply
    8,005.36x = 11,037.40 × 6,119.28
  4. Step 4: Simplify right side
    8,005.36x = 67,540,941.07
  5. Step 5: Solve for x
    x = 67,540,941.07/8,005.36
  6. Step 6: Final answer
    x = 8,436.96

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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.