Home / 9,115.42-13,673.42-2,875.49

Finding the Fourth Proportional to 9,115.42, 13,673.42 and 2,875.49

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Solution

The fourth proportional to 9,115.42, 13,673.42 and 2,875.49 is: 4,313.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,115.42 : 13,673.42 = 2,875.49 : x
  2. Step 2: Convert to fraction form
    9,115.42/13,673.42 = 2,875.49/x
  3. Step 3: Cross multiply
    9,115.42x = 13,673.42 × 2,875.49
  4. Step 4: Simplify right side
    9,115.42x = 39,317,699.73
  5. Step 5: Solve for x
    x = 39,317,699.73/9,115.42
  6. Step 6: Final answer
    x = 4,313.32

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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.