Home / 6,971.01-9,620.02-3,986.92

Finding the Fourth Proportional to 6,971.01, 9,620.02 and 3,986.92

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Solution

The fourth proportional to 6,971.01, 9,620.02 and 3,986.92 is: 5,501.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,971.01 : 9,620.02 = 3,986.92 : x
  2. Step 2: Convert to fraction form
    6,971.01/9,620.02 = 3,986.92/x
  3. Step 3: Cross multiply
    6,971.01x = 9,620.02 × 3,986.92
  4. Step 4: Simplify right side
    6,971.01x = 38,354,230.20
  5. Step 5: Solve for x
    x = 38,354,230.20/6,971.01
  6. Step 6: Final answer
    x = 5,501.96

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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.