Home / 5,476.39-8,214.69-1,580.83

Finding the Fourth Proportional to 5,476.39, 8,214.69 and 1,580.83

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Solution

The fourth proportional to 5,476.39, 8,214.69 and 1,580.83 is: 2,371.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,476.39 : 8,214.69 = 1,580.83 : x
  2. Step 2: Convert to fraction form
    5,476.39/8,214.69 = 1,580.83/x
  3. Step 3: Cross multiply
    5,476.39x = 8,214.69 × 1,580.83
  4. Step 4: Simplify right side
    5,476.39x = 12,986,028.39
  5. Step 5: Solve for x
    x = 12,986,028.39/5,476.39
  6. Step 6: Final answer
    x = 2,371.28

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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.