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Finding the Fourth Proportional to 5,347.80, 8,019.63 and 1,837.14

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Solution

The fourth proportional to 5,347.80, 8,019.63 and 1,837.14 is: 2,755.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,347.80 : 8,019.63 = 1,837.14 : x
  2. Step 2: Convert to fraction form
    5,347.80/8,019.63 = 1,837.14/x
  3. Step 3: Cross multiply
    5,347.80x = 8,019.63 × 1,837.14
  4. Step 4: Simplify right side
    5,347.80x = 14,733,183.06
  5. Step 5: Solve for x
    x = 14,733,183.06/5,347.80
  6. Step 6: Final answer
    x = 2,755.00

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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.