Home / 5,337.38-8,005.86-1,639.42

Finding the Fourth Proportional to 5,337.38, 8,005.86 and 1,639.42

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Solution

The fourth proportional to 5,337.38, 8,005.86 and 1,639.42 is: 2,459.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,337.38 : 8,005.86 = 1,639.42 : x
  2. Step 2: Convert to fraction form
    5,337.38/8,005.86 = 1,639.42/x
  3. Step 3: Cross multiply
    5,337.38x = 8,005.86 × 1,639.42
  4. Step 4: Simplify right side
    5,337.38x = 13,124,967.00
  5. Step 5: Solve for x
    x = 13,124,967.00/5,337.38
  6. Step 6: Final answer
    x = 2,459.07

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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.