Home / 7,178.58-10,765.77-2,795.00

Finding the Fourth Proportional to 7,178.58, 10,765.77 and 2,795.00

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Solution

The fourth proportional to 7,178.58, 10,765.77 and 2,795.00 is: 4,191.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,178.58 : 10,765.77 = 2,795.00 : x
  2. Step 2: Convert to fraction form
    7,178.58/10,765.77 = 2,795.00/x
  3. Step 3: Cross multiply
    7,178.58x = 10,765.77 × 2,795.00
  4. Step 4: Simplify right side
    7,178.58x = 30,090,273.32
  5. Step 5: Solve for x
    x = 30,090,273.32/7,178.58
  6. Step 6: Final answer
    x = 4,191.67

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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.