Home / 5,526.81-8,291.12-1,631.61

Finding the Fourth Proportional to 5,526.81, 8,291.12 and 1,631.61

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Solution

The fourth proportional to 5,526.81, 8,291.12 and 1,631.61 is: 2,447.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,526.81 : 8,291.12 = 1,631.61 : x
  2. Step 2: Convert to fraction form
    5,526.81/8,291.12 = 1,631.61/x
  3. Step 3: Cross multiply
    5,526.81x = 8,291.12 × 1,631.61
  4. Step 4: Simplify right side
    5,526.81x = 13,527,866.15
  5. Step 5: Solve for x
    x = 13,527,866.15/5,526.81
  6. Step 6: Final answer
    x = 2,447.68

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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.