Home / 8,260.87-11,392.44-5,427.12

Finding the Fourth Proportional to 8,260.87, 11,392.44 and 5,427.12

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Solution

The fourth proportional to 8,260.87, 11,392.44 and 5,427.12 is: 7,484.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,260.87 : 11,392.44 = 5,427.12 : x
  2. Step 2: Convert to fraction form
    8,260.87/11,392.44 = 5,427.12/x
  3. Step 3: Cross multiply
    8,260.87x = 11,392.44 × 5,427.12
  4. Step 4: Simplify right side
    8,260.87x = 61,828,138.97
  5. Step 5: Solve for x
    x = 61,828,138.97/8,260.87
  6. Step 6: Final answer
    x = 7,484.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.