Home / 6,457.16-9,684.12-2,757.56

Finding the Fourth Proportional to 6,457.16, 9,684.12 and 2,757.56

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Solution

The fourth proportional to 6,457.16, 9,684.12 and 2,757.56 is: 4,135.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,457.16 : 9,684.12 = 2,757.56 : x
  2. Step 2: Convert to fraction form
    6,457.16/9,684.12 = 2,757.56/x
  3. Step 3: Cross multiply
    6,457.16x = 9,684.12 × 2,757.56
  4. Step 4: Simplify right side
    6,457.16x = 26,704,541.95
  5. Step 5: Solve for x
    x = 26,704,541.95/6,457.16
  6. Step 6: Final answer
    x = 4,135.65

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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.