Home / 5,289.49-7,282.89-4,491.15

Finding the Fourth Proportional to 5,289.49, 7,282.89 and 4,491.15

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Solution

The fourth proportional to 5,289.49, 7,282.89 and 4,491.15 is: 6,183.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,289.49 : 7,282.89 = 4,491.15 : x
  2. Step 2: Convert to fraction form
    5,289.49/7,282.89 = 4,491.15/x
  3. Step 3: Cross multiply
    5,289.49x = 7,282.89 × 4,491.15
  4. Step 4: Simplify right side
    5,289.49x = 32,708,551.42
  5. Step 5: Solve for x
    x = 32,708,551.42/5,289.49
  6. Step 6: Final answer
    x = 6,183.69

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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.