Home / 7,824.21-10,793.80-6,928.87

Finding the Fourth Proportional to 7,824.21, 10,793.80 and 6,928.87

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Solution

The fourth proportional to 7,824.21, 10,793.80 and 6,928.87 is: 9,558.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,824.21 : 10,793.80 = 6,928.87 : x
  2. Step 2: Convert to fraction form
    7,824.21/10,793.80 = 6,928.87/x
  3. Step 3: Cross multiply
    7,824.21x = 10,793.80 × 6,928.87
  4. Step 4: Simplify right side
    7,824.21x = 74,788,748.39
  5. Step 5: Solve for x
    x = 74,788,748.39/7,824.21
  6. Step 6: Final answer
    x = 9,558.63

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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.