Home / 7,918.16-10,914.49-6,236.90

Finding the Fourth Proportional to 7,918.16, 10,914.49 and 6,236.90

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Solution

The fourth proportional to 7,918.16, 10,914.49 and 6,236.90 is: 8,597.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,918.16 : 10,914.49 = 6,236.90 : x
  2. Step 2: Convert to fraction form
    7,918.16/10,914.49 = 6,236.90/x
  3. Step 3: Cross multiply
    7,918.16x = 10,914.49 × 6,236.90
  4. Step 4: Simplify right side
    7,918.16x = 68,072,576.83
  5. Step 5: Solve for x
    x = 68,072,576.83/7,918.16
  6. Step 6: Final answer
    x = 8,597.03

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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.