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Finding the Fourth Proportional to 6,811.36, 9,403.98 and 4,457.48

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Solution

The fourth proportional to 6,811.36, 9,403.98 and 4,457.48 is: 6,154.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,811.36 : 9,403.98 = 4,457.48 : x
  2. Step 2: Convert to fraction form
    6,811.36/9,403.98 = 4,457.48/x
  3. Step 3: Cross multiply
    6,811.36x = 9,403.98 × 4,457.48
  4. Step 4: Simplify right side
    6,811.36x = 41,918,052.77
  5. Step 5: Solve for x
    x = 41,918,052.77/6,811.36
  6. Step 6: Final answer
    x = 6,154.14

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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.