Home / 5,344.75-8,017.88-1,647.28

Finding the Fourth Proportional to 5,344.75, 8,017.88 and 1,647.28

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Solution

The fourth proportional to 5,344.75, 8,017.88 and 1,647.28 is: 2,471.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,344.75 : 8,017.88 = 1,647.28 : x
  2. Step 2: Convert to fraction form
    5,344.75/8,017.88 = 1,647.28/x
  3. Step 3: Cross multiply
    5,344.75x = 8,017.88 × 1,647.28
  4. Step 4: Simplify right side
    5,344.75x = 13,207,665.09
  5. Step 5: Solve for x
    x = 13,207,665.09/5,344.75
  6. Step 6: Final answer
    x = 2,471.15

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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.