Home / 7,140.76-10,713.35-3,195.33

Finding the Fourth Proportional to 7,140.76, 10,713.35 and 3,195.33

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Solution

The fourth proportional to 7,140.76, 10,713.35 and 3,195.33 is: 4,793.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,140.76 : 10,713.35 = 3,195.33 : x
  2. Step 2: Convert to fraction form
    7,140.76/10,713.35 = 3,195.33/x
  3. Step 3: Cross multiply
    7,140.76x = 10,713.35 × 3,195.33
  4. Step 4: Simplify right side
    7,140.76x = 34,232,698.76
  5. Step 5: Solve for x
    x = 34,232,698.76/7,140.76
  6. Step 6: Final answer
    x = 4,793.98

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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.