Home / 9,112.70-13,664.36-4,178.05

Finding the Fourth Proportional to 9,112.70, 13,664.36 and 4,178.05

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Solution

The fourth proportional to 9,112.70, 13,664.36 and 4,178.05 is: 6,264.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,112.70 : 13,664.36 = 4,178.05 : x
  2. Step 2: Convert to fraction form
    9,112.70/13,664.36 = 4,178.05/x
  3. Step 3: Cross multiply
    9,112.70x = 13,664.36 × 4,178.05
  4. Step 4: Simplify right side
    9,112.70x = 57,090,355.58
  5. Step 5: Solve for x
    x = 57,090,355.58/9,112.70
  6. Step 6: Final answer
    x = 6,264.92

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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.