Home / 5,505.66-8,258.39-1,345.56

Finding the Fourth Proportional to 5,505.66, 8,258.39 and 1,345.56

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Solution

The fourth proportional to 5,505.66, 8,258.39 and 1,345.56 is: 2,018.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,505.66 : 8,258.39 = 1,345.56 : x
  2. Step 2: Convert to fraction form
    5,505.66/8,258.39 = 1,345.56/x
  3. Step 3: Cross multiply
    5,505.66x = 8,258.39 × 1,345.56
  4. Step 4: Simplify right side
    5,505.66x = 11,112,152.52
  5. Step 5: Solve for x
    x = 11,112,152.52/5,505.66
  6. Step 6: Final answer
    x = 2,018.31

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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.