Home / 8,180.60-11,288.90-4,823.55

Finding the Fourth Proportional to 8,180.60, 11,288.90 and 4,823.55

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Solution

The fourth proportional to 8,180.60, 11,288.90 and 4,823.55 is: 6,656.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,180.60 : 11,288.90 = 4,823.55 : x
  2. Step 2: Convert to fraction form
    8,180.60/11,288.90 = 4,823.55/x
  3. Step 3: Cross multiply
    8,180.60x = 11,288.90 × 4,823.55
  4. Step 4: Simplify right side
    8,180.60x = 54,452,585.65
  5. Step 5: Solve for x
    x = 54,452,585.65/8,180.60
  6. Step 6: Final answer
    x = 6,656.31

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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.