Home / 9,111.49-13,666.85-2,875.97

Finding the Fourth Proportional to 9,111.49, 13,666.85 and 2,875.97

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Solution

The fourth proportional to 9,111.49, 13,666.85 and 2,875.97 is: 4,313.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,111.49 : 13,666.85 = 2,875.97 : x
  2. Step 2: Convert to fraction form
    9,111.49/13,666.85 = 2,875.97/x
  3. Step 3: Cross multiply
    9,111.49x = 13,666.85 × 2,875.97
  4. Step 4: Simplify right side
    9,111.49x = 39,305,470.38
  5. Step 5: Solve for x
    x = 39,305,470.38/9,111.49
  6. Step 6: Final answer
    x = 4,313.84

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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.