Home / 4,409.54-6,613.28-1,288.86

Finding the Fourth Proportional to 4,409.54, 6,613.28 and 1,288.86

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Solution

The fourth proportional to 4,409.54, 6,613.28 and 1,288.86 is: 1,932.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,409.54 : 6,613.28 = 1,288.86 : x
  2. Step 2: Convert to fraction form
    4,409.54/6,613.28 = 1,288.86/x
  3. Step 3: Cross multiply
    4,409.54x = 6,613.28 × 1,288.86
  4. Step 4: Simplify right side
    4,409.54x = 8,523,592.06
  5. Step 5: Solve for x
    x = 8,523,592.06/4,409.54
  6. Step 6: Final answer
    x = 1,932.99

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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.