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Finding the Fourth Proportional to 6,872.58, 10,241.28 and 6,457.05

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Solution

The fourth proportional to 6,872.58, 10,241.28 and 6,457.05 is: 9,622.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,872.58 : 10,241.28 = 6,457.05 : x
  2. Step 2: Convert to fraction form
    6,872.58/10,241.28 = 6,457.05/x
  3. Step 3: Cross multiply
    6,872.58x = 10,241.28 × 6,457.05
  4. Step 4: Simplify right side
    6,872.58x = 66,128,457.02
  5. Step 5: Solve for x
    x = 66,128,457.02/6,872.58
  6. Step 6: Final answer
    x = 9,622.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.