Home / 6,977.49-10,440.09-4,156.02

Finding the Fourth Proportional to 6,977.49, 10,440.09 and 4,156.02

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Solution

The fourth proportional to 6,977.49, 10,440.09 and 4,156.02 is: 6,218.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,977.49 : 10,440.09 = 4,156.02 : x
  2. Step 2: Convert to fraction form
    6,977.49/10,440.09 = 4,156.02/x
  3. Step 3: Cross multiply
    6,977.49x = 10,440.09 × 4,156.02
  4. Step 4: Simplify right side
    6,977.49x = 43,389,222.84
  5. Step 5: Solve for x
    x = 43,389,222.84/6,977.49
  6. Step 6: Final answer
    x = 6,218.46

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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.