Home / 6,312.09-9,457.67-3,839.43

Finding the Fourth Proportional to 6,312.09, 9,457.67 and 3,839.43

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Solution

The fourth proportional to 6,312.09, 9,457.67 and 3,839.43 is: 5,752.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,312.09 : 9,457.67 = 3,839.43 : x
  2. Step 2: Convert to fraction form
    6,312.09/9,457.67 = 3,839.43/x
  3. Step 3: Cross multiply
    6,312.09x = 9,457.67 × 3,839.43
  4. Step 4: Simplify right side
    6,312.09x = 36,312,061.93
  5. Step 5: Solve for x
    x = 36,312,061.93/6,312.09
  6. Step 6: Final answer
    x = 5,752.78

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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.