Home / 7,563.18-11,346.93-3,178.38

Finding the Fourth Proportional to 7,563.18, 11,346.93 and 3,178.38

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Solution

The fourth proportional to 7,563.18, 11,346.93 and 3,178.38 is: 4,768.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,563.18 : 11,346.93 = 3,178.38 : x
  2. Step 2: Convert to fraction form
    7,563.18/11,346.93 = 3,178.38/x
  3. Step 3: Cross multiply
    7,563.18x = 11,346.93 × 3,178.38
  4. Step 4: Simplify right side
    7,563.18x = 36,064,855.37
  5. Step 5: Solve for x
    x = 36,064,855.37/7,563.18
  6. Step 6: Final answer
    x = 4,768.48

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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.