Home / 7,948.70-11,928.45-4,438.70

Finding the Fourth Proportional to 7,948.70, 11,928.45 and 4,438.70

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Solution

The fourth proportional to 7,948.70, 11,928.45 and 4,438.70 is: 6,661.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,948.70 : 11,928.45 = 4,438.70 : x
  2. Step 2: Convert to fraction form
    7,948.70/11,928.45 = 4,438.70/x
  3. Step 3: Cross multiply
    7,948.70x = 11,928.45 × 4,438.70
  4. Step 4: Simplify right side
    7,948.70x = 52,946,811.02
  5. Step 5: Solve for x
    x = 52,946,811.02/7,948.70
  6. Step 6: Final answer
    x = 6,661.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.