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Finding the Fourth Proportional to 5,371.84, 8,059.15 and 1,674.13

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Solution

The fourth proportional to 5,371.84, 8,059.15 and 1,674.13 is: 2,511.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,371.84 : 8,059.15 = 1,674.13 : x
  2. Step 2: Convert to fraction form
    5,371.84/8,059.15 = 1,674.13/x
  3. Step 3: Cross multiply
    5,371.84x = 8,059.15 × 1,674.13
  4. Step 4: Simplify right side
    5,371.84x = 13,492,064.79
  5. Step 5: Solve for x
    x = 13,492,064.79/5,371.84
  6. Step 6: Final answer
    x = 2,511.63

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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.