Home / 6,986.48-9,634.20-4,627.76

Finding the Fourth Proportional to 6,986.48, 9,634.20 and 4,627.76

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Solution

The fourth proportional to 6,986.48, 9,634.20 and 4,627.76 is: 6,381.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,986.48 : 9,634.20 = 4,627.76 : x
  2. Step 2: Convert to fraction form
    6,986.48/9,634.20 = 4,627.76/x
  3. Step 3: Cross multiply
    6,986.48x = 9,634.20 × 4,627.76
  4. Step 4: Simplify right side
    6,986.48x = 44,584,765.39
  5. Step 5: Solve for x
    x = 44,584,765.39/6,986.48
  6. Step 6: Final answer
    x = 6,381.58

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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.