Home / 6,986.26-9,641.28-4,002.67

Finding the Fourth Proportional to 6,986.26, 9,641.28 and 4,002.67

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Solution

The fourth proportional to 6,986.26, 9,641.28 and 4,002.67 is: 5,523.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,986.26 : 9,641.28 = 4,002.67 : x
  2. Step 2: Convert to fraction form
    6,986.26/9,641.28 = 4,002.67/x
  3. Step 3: Cross multiply
    6,986.26x = 9,641.28 × 4,002.67
  4. Step 4: Simplify right side
    6,986.26x = 38,590,856.53
  5. Step 5: Solve for x
    x = 38,590,856.53/6,986.26
  6. Step 6: Final answer
    x = 5,523.82

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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.