Home / 4,415.43-6,624.47-1,781.58

Finding the Fourth Proportional to 4,415.43, 6,624.47 and 1,781.58

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Solution

The fourth proportional to 4,415.43, 6,624.47 and 1,781.58 is: 2,672.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,415.43 : 6,624.47 = 1,781.58 : x
  2. Step 2: Convert to fraction form
    4,415.43/6,624.47 = 1,781.58/x
  3. Step 3: Cross multiply
    4,415.43x = 6,624.47 × 1,781.58
  4. Step 4: Simplify right side
    4,415.43x = 11,802,023.26
  5. Step 5: Solve for x
    x = 11,802,023.26/4,415.43
  6. Step 6: Final answer
    x = 2,672.90

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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.