Home / 6,627.20-9,145.44-3,973.76

Finding the Fourth Proportional to 6,627.20, 9,145.44 and 3,973.76

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Solution

The fourth proportional to 6,627.20, 9,145.44 and 3,973.76 is: 5,483.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,627.20 : 9,145.44 = 3,973.76 : x
  2. Step 2: Convert to fraction form
    6,627.20/9,145.44 = 3,973.76/x
  3. Step 3: Cross multiply
    6,627.20x = 9,145.44 × 3,973.76
  4. Step 4: Simplify right side
    6,627.20x = 36,341,783.65
  5. Step 5: Solve for x
    x = 36,341,783.65/6,627.20
  6. Step 6: Final answer
    x = 5,483.73

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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.