Home / 7,993.40-11,030.86-4,456.92

Finding the Fourth Proportional to 7,993.40, 11,030.86 and 4,456.92

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Solution

The fourth proportional to 7,993.40, 11,030.86 and 4,456.92 is: 6,150.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,993.40 : 11,030.86 = 4,456.92 : x
  2. Step 2: Convert to fraction form
    7,993.40/11,030.86 = 4,456.92/x
  3. Step 3: Cross multiply
    7,993.40x = 11,030.86 × 4,456.92
  4. Step 4: Simplify right side
    7,993.40x = 49,163,660.55
  5. Step 5: Solve for x
    x = 49,163,660.55/7,993.40
  6. Step 6: Final answer
    x = 6,150.53

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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.