Home / 7,257.36-10,887.48-3,359.28

Finding the Fourth Proportional to 7,257.36, 10,887.48 and 3,359.28

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Solution

The fourth proportional to 7,257.36, 10,887.48 and 3,359.28 is: 5,039.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,257.36 : 10,887.48 = 3,359.28 : x
  2. Step 2: Convert to fraction form
    7,257.36/10,887.48 = 3,359.28/x
  3. Step 3: Cross multiply
    7,257.36x = 10,887.48 × 3,359.28
  4. Step 4: Simplify right side
    7,257.36x = 36,574,093.81
  5. Step 5: Solve for x
    x = 36,574,093.81/7,257.36
  6. Step 6: Final answer
    x = 5,039.59

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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.