Home / 7,965.81-11,945.75-2,417.49

Finding the Fourth Proportional to 7,965.81, 11,945.75 and 2,417.49

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Solution

The fourth proportional to 7,965.81, 11,945.75 and 2,417.49 is: 3,625.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,965.81 : 11,945.75 = 2,417.49 : x
  2. Step 2: Convert to fraction form
    7,965.81/11,945.75 = 2,417.49/x
  3. Step 3: Cross multiply
    7,965.81x = 11,945.75 × 2,417.49
  4. Step 4: Simplify right side
    7,965.81x = 28,878,719.08
  5. Step 5: Solve for x
    x = 28,878,719.08/7,965.81
  6. Step 6: Final answer
    x = 3,625.33

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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.