Home / 5,476.84-8,214.30-1,966.06

Finding the Fourth Proportional to 5,476.84, 8,214.30 and 1,966.06

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Solution

The fourth proportional to 5,476.84, 8,214.30 and 1,966.06 is: 2,948.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,476.84 : 8,214.30 = 1,966.06 : x
  2. Step 2: Convert to fraction form
    5,476.84/8,214.30 = 1,966.06/x
  3. Step 3: Cross multiply
    5,476.84x = 8,214.30 × 1,966.06
  4. Step 4: Simplify right side
    5,476.84x = 16,149,806.66
  5. Step 5: Solve for x
    x = 16,149,806.66/5,476.84
  6. Step 6: Final answer
    x = 2,948.75

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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.