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Finding the Fourth Proportional to 5,359.77, 8,036.75 and 1,661.00

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Solution

The fourth proportional to 5,359.77, 8,036.75 and 1,661.00 is: 2,490.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,359.77 : 8,036.75 = 1,661.00 : x
  2. Step 2: Convert to fraction form
    5,359.77/8,036.75 = 1,661.00/x
  3. Step 3: Cross multiply
    5,359.77x = 8,036.75 × 1,661.00
  4. Step 4: Simplify right side
    5,359.77x = 13,349,005.72
  5. Step 5: Solve for x
    x = 13,349,005.72/5,359.77
  6. Step 6: Final answer
    x = 2,490.59

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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.