Home / 5,347.21-8,018.81-1,836.22

Finding the Fourth Proportional to 5,347.21, 8,018.81 and 1,836.22

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Solution

The fourth proportional to 5,347.21, 8,018.81 and 1,836.22 is: 2,753.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,347.21 : 8,018.81 = 1,836.22 : x
  2. Step 2: Convert to fraction form
    5,347.21/8,018.81 = 1,836.22/x
  3. Step 3: Cross multiply
    5,347.21x = 8,018.81 × 1,836.22
  4. Step 4: Simplify right side
    5,347.21x = 14,724,299.30
  5. Step 5: Solve for x
    x = 14,724,299.30/5,347.21
  6. Step 6: Final answer
    x = 2,753.64

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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.