Home / 6,977.39-9,628.67-3,952.50

Finding the Fourth Proportional to 6,977.39, 9,628.67 and 3,952.50

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Solution

The fourth proportional to 6,977.39, 9,628.67 and 3,952.50 is: 5,454.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,977.39 : 9,628.67 = 3,952.50 : x
  2. Step 2: Convert to fraction form
    6,977.39/9,628.67 = 3,952.50/x
  3. Step 3: Cross multiply
    6,977.39x = 9,628.67 × 3,952.50
  4. Step 4: Simplify right side
    6,977.39x = 38,057,291.95
  5. Step 5: Solve for x
    x = 38,057,291.95/6,977.39
  6. Step 6: Final answer
    x = 5,454.37

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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.