Home / 5,359.90-8,036.96-1,660.54

Finding the Fourth Proportional to 5,359.90, 8,036.96 and 1,660.54

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Solution

The fourth proportional to 5,359.90, 8,036.96 and 1,660.54 is: 2,489.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,359.90 : 8,036.96 = 1,660.54 : x
  2. Step 2: Convert to fraction form
    5,359.90/8,036.96 = 1,660.54/x
  3. Step 3: Cross multiply
    5,359.90x = 8,036.96 × 1,660.54
  4. Step 4: Simplify right side
    5,359.90x = 13,345,693.56
  5. Step 5: Solve for x
    x = 13,345,693.56/5,359.90
  6. Step 6: Final answer
    x = 2,489.91

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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.