Home / 6,370.92-9,556.38-1,988.72

Finding the Fourth Proportional to 6,370.92, 9,556.38 and 1,988.72

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Solution

The fourth proportional to 6,370.92, 9,556.38 and 1,988.72 is: 2,983.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,370.92 : 9,556.38 = 1,988.72 : x
  2. Step 2: Convert to fraction form
    6,370.92/9,556.38 = 1,988.72/x
  3. Step 3: Cross multiply
    6,370.92x = 9,556.38 × 1,988.72
  4. Step 4: Simplify right side
    6,370.92x = 19,004,952.09
  5. Step 5: Solve for x
    x = 19,004,952.09/6,370.92
  6. Step 6: Final answer
    x = 2,983.08

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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.