Home / 4,412.64-6,617.74-1,780.12

Finding the Fourth Proportional to 4,412.64, 6,617.74 and 1,780.12

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Solution

The fourth proportional to 4,412.64, 6,617.74 and 1,780.12 is: 2,669.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,412.64 : 6,617.74 = 1,780.12 : x
  2. Step 2: Convert to fraction form
    4,412.64/6,617.74 = 1,780.12/x
  3. Step 3: Cross multiply
    4,412.64x = 6,617.74 × 1,780.12
  4. Step 4: Simplify right side
    4,412.64x = 11,780,371.33
  5. Step 5: Solve for x
    x = 11,780,371.33/4,412.64
  6. Step 6: Final answer
    x = 2,669.69

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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.