Home / 6,558.20-9,835.74-1,878.06

Finding the Fourth Proportional to 6,558.20, 9,835.74 and 1,878.06

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Solution

The fourth proportional to 6,558.20, 9,835.74 and 1,878.06 is: 2,816.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,558.20 : 9,835.74 = 1,878.06 : x
  2. Step 2: Convert to fraction form
    6,558.20/9,835.74 = 1,878.06/x
  3. Step 3: Cross multiply
    6,558.20x = 9,835.74 × 1,878.06
  4. Step 4: Simplify right side
    6,558.20x = 18,472,109.86
  5. Step 5: Solve for x
    x = 18,472,109.86/6,558.20
  6. Step 6: Final answer
    x = 2,816.64

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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.