Home / 7,639.01-10,544.07-4,986.82

Finding the Fourth Proportional to 7,639.01, 10,544.07 and 4,986.82

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Solution

The fourth proportional to 7,639.01, 10,544.07 and 4,986.82 is: 6,883.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,639.01 : 10,544.07 = 4,986.82 : x
  2. Step 2: Convert to fraction form
    7,639.01/10,544.07 = 4,986.82/x
  3. Step 3: Cross multiply
    7,639.01x = 10,544.07 × 4,986.82
  4. Step 4: Simplify right side
    7,639.01x = 52,581,351.73
  5. Step 5: Solve for x
    x = 52,581,351.73/7,639.01
  6. Step 6: Final answer
    x = 6,883.27

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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.