Home / 6,457.74-9,672.83-3,120.94

Finding the Fourth Proportional to 6,457.74, 9,672.83 and 3,120.94

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Solution

The fourth proportional to 6,457.74, 9,672.83 and 3,120.94 is: 4,674.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,457.74 : 9,672.83 = 3,120.94 : x
  2. Step 2: Convert to fraction form
    6,457.74/9,672.83 = 3,120.94/x
  3. Step 3: Cross multiply
    6,457.74x = 9,672.83 × 3,120.94
  4. Step 4: Simplify right side
    6,457.74x = 30,188,330.25
  5. Step 5: Solve for x
    x = 30,188,330.25/6,457.74
  6. Step 6: Final answer
    x = 4,674.75

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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.