Home / 7,427.08-11,126.04-6,945.94

Finding the Fourth Proportional to 7,427.08, 11,126.04 and 6,945.94

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Solution

The fourth proportional to 7,427.08, 11,126.04 and 6,945.94 is: 10,405.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,427.08 : 11,126.04 = 6,945.94 : x
  2. Step 2: Convert to fraction form
    7,427.08/11,126.04 = 6,945.94/x
  3. Step 3: Cross multiply
    7,427.08x = 11,126.04 × 6,945.94
  4. Step 4: Simplify right side
    7,427.08x = 77,280,806.28
  5. Step 5: Solve for x
    x = 77,280,806.28/7,427.08
  6. Step 6: Final answer
    x = 10,405.27

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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.