Home / 6,396.21-8,814.96-4,624.74

Finding the Fourth Proportional to 6,396.21, 8,814.96 and 4,624.74

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Solution

The fourth proportional to 6,396.21, 8,814.96 and 4,624.74 is: 6,373.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,396.21 : 8,814.96 = 4,624.74 : x
  2. Step 2: Convert to fraction form
    6,396.21/8,814.96 = 4,624.74/x
  3. Step 3: Cross multiply
    6,396.21x = 8,814.96 × 4,624.74
  4. Step 4: Simplify right side
    6,396.21x = 40,766,898.11
  5. Step 5: Solve for x
    x = 40,766,898.11/6,396.21
  6. Step 6: Final answer
    x = 6,373.60

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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.