Home / 6,732.81-9,289.89-4,079.72

Finding the Fourth Proportional to 6,732.81, 9,289.89 and 4,079.72

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Solution

The fourth proportional to 6,732.81, 9,289.89 and 4,079.72 is: 5,629.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,732.81 : 9,289.89 = 4,079.72 : x
  2. Step 2: Convert to fraction form
    6,732.81/9,289.89 = 4,079.72/x
  3. Step 3: Cross multiply
    6,732.81x = 9,289.89 × 4,079.72
  4. Step 4: Simplify right side
    6,732.81x = 37,900,173.26
  5. Step 5: Solve for x
    x = 37,900,173.26/6,732.81
  6. Step 6: Final answer
    x = 5,629.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.