Home / 6,457.17-8,911.53-3,805.44

Finding the Fourth Proportional to 6,457.17, 8,911.53 and 3,805.44

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Solution

The fourth proportional to 6,457.17, 8,911.53 and 3,805.44 is: 5,251.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,457.17 : 8,911.53 = 3,805.44 : x
  2. Step 2: Convert to fraction form
    6,457.17/8,911.53 = 3,805.44/x
  3. Step 3: Cross multiply
    6,457.17x = 8,911.53 × 3,805.44
  4. Step 4: Simplify right side
    6,457.17x = 33,912,292.72
  5. Step 5: Solve for x
    x = 33,912,292.72/6,457.17
  6. Step 6: Final answer
    x = 5,251.88

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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.