Home / 8,178.48-11,280.60-6,182.64

Finding the Fourth Proportional to 8,178.48, 11,280.60 and 6,182.64

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Solution

The fourth proportional to 8,178.48, 11,280.60 and 6,182.64 is: 8,527.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,178.48 : 11,280.60 = 6,182.64 : x
  2. Step 2: Convert to fraction form
    8,178.48/11,280.60 = 6,182.64/x
  3. Step 3: Cross multiply
    8,178.48x = 11,280.60 × 6,182.64
  4. Step 4: Simplify right side
    8,178.48x = 69,743,888.78
  5. Step 5: Solve for x
    x = 69,743,888.78/8,178.48
  6. Step 6: Final answer
    x = 8,527.73

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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.