Home / 7,616.48-11,425.80-3,457.84

Finding the Fourth Proportional to 7,616.48, 11,425.80 and 3,457.84

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Solution

The fourth proportional to 7,616.48, 11,425.80 and 3,457.84 is: 5,187.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,616.48 : 11,425.80 = 3,457.84 : x
  2. Step 2: Convert to fraction form
    7,616.48/11,425.80 = 3,457.84/x
  3. Step 3: Cross multiply
    7,616.48x = 11,425.80 × 3,457.84
  4. Step 4: Simplify right side
    7,616.48x = 39,508,588.27
  5. Step 5: Solve for x
    x = 39,508,588.27/7,616.48
  6. Step 6: Final answer
    x = 5,187.25

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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.