Home / 4,475.76-6,714.18-1,188.94

Finding the Fourth Proportional to 4,475.76, 6,714.18 and 1,188.94

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Solution

The fourth proportional to 4,475.76, 6,714.18 and 1,188.94 is: 1,783.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,475.76 : 6,714.18 = 1,188.94 : x
  2. Step 2: Convert to fraction form
    4,475.76/6,714.18 = 1,188.94/x
  3. Step 3: Cross multiply
    4,475.76x = 6,714.18 × 1,188.94
  4. Step 4: Simplify right side
    4,475.76x = 7,982,757.17
  5. Step 5: Solve for x
    x = 7,982,757.17/4,475.76
  6. Step 6: Final answer
    x = 1,783.55

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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.