Home / 6,977.56-9,628.50-4,182.52

Finding the Fourth Proportional to 6,977.56, 9,628.50 and 4,182.52

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Solution

The fourth proportional to 6,977.56, 9,628.50 and 4,182.52 is: 5,771.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,977.56 : 9,628.50 = 4,182.52 : x
  2. Step 2: Convert to fraction form
    6,977.56/9,628.50 = 4,182.52/x
  3. Step 3: Cross multiply
    6,977.56x = 9,628.50 × 4,182.52
  4. Step 4: Simplify right side
    6,977.56x = 40,271,393.82
  5. Step 5: Solve for x
    x = 40,271,393.82/6,977.56
  6. Step 6: Final answer
    x = 5,771.56

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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.