Home / 5,588.38-8,382.30-1,639.47

Finding the Fourth Proportional to 5,588.38, 8,382.30 and 1,639.47

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Solution

The fourth proportional to 5,588.38, 8,382.30 and 1,639.47 is: 2,459.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,588.38 : 8,382.30 = 1,639.47 : x
  2. Step 2: Convert to fraction form
    5,588.38/8,382.30 = 1,639.47/x
  3. Step 3: Cross multiply
    5,588.38x = 8,382.30 × 1,639.47
  4. Step 4: Simplify right side
    5,588.38x = 13,742,529.38
  5. Step 5: Solve for x
    x = 13,742,529.38/5,588.38
  6. Step 6: Final answer
    x = 2,459.13

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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.