Home / 4,523.21-6,740.40-4,374.56

Finding the Fourth Proportional to 4,523.21, 6,740.40 and 4,374.56

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Solution

The fourth proportional to 4,523.21, 6,740.40 and 4,374.56 is: 6,518.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,523.21 : 6,740.40 = 4,374.56 : x
  2. Step 2: Convert to fraction form
    4,523.21/6,740.40 = 4,374.56/x
  3. Step 3: Cross multiply
    4,523.21x = 6,740.40 × 4,374.56
  4. Step 4: Simplify right side
    4,523.21x = 29,486,262.35
  5. Step 5: Solve for x
    x = 29,486,262.35/4,523.21
  6. Step 6: Final answer
    x = 6,518.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.