Home / 5,535.09-8,304.27-1,639.61

Finding the Fourth Proportional to 5,535.09, 8,304.27 and 1,639.61

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Solution

The fourth proportional to 5,535.09, 8,304.27 and 1,639.61 is: 2,459.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,535.09 : 8,304.27 = 1,639.61 : x
  2. Step 2: Convert to fraction form
    5,535.09/8,304.27 = 1,639.61/x
  3. Step 3: Cross multiply
    5,535.09x = 8,304.27 × 1,639.61
  4. Step 4: Simplify right side
    5,535.09x = 13,615,722.61
  5. Step 5: Solve for x
    x = 13,615,722.61/5,535.09
  6. Step 6: Final answer
    x = 2,459.89

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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.