Home / 4,475.44-6,712.63-1,188.79

Finding the Fourth Proportional to 4,475.44, 6,712.63 and 1,188.79

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Solution

The fourth proportional to 4,475.44, 6,712.63 and 1,188.79 is: 1,783.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,475.44 : 6,712.63 = 1,188.79 : x
  2. Step 2: Convert to fraction form
    4,475.44/6,712.63 = 1,188.79/x
  3. Step 3: Cross multiply
    4,475.44x = 6,712.63 × 1,188.79
  4. Step 4: Simplify right side
    4,475.44x = 7,979,907.42
  5. Step 5: Solve for x
    x = 7,979,907.42/4,475.44
  6. Step 6: Final answer
    x = 1,783.04

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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.