Home / 7,484.10-11,228.81-3,323.74

Finding the Fourth Proportional to 7,484.10, 11,228.81 and 3,323.74

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Solution

The fourth proportional to 7,484.10, 11,228.81 and 3,323.74 is: 4,986.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,484.10 : 11,228.81 = 3,323.74 : x
  2. Step 2: Convert to fraction form
    7,484.10/11,228.81 = 3,323.74/x
  3. Step 3: Cross multiply
    7,484.10x = 11,228.81 × 3,323.74
  4. Step 4: Simplify right side
    7,484.10x = 37,321,644.95
  5. Step 5: Solve for x
    x = 37,321,644.95/7,484.10
  6. Step 6: Final answer
    x = 4,986.79

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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.