Home / 7,439.23-11,161.75-3,276.31

Finding the Fourth Proportional to 7,439.23, 11,161.75 and 3,276.31

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Solution

The fourth proportional to 7,439.23, 11,161.75 and 3,276.31 is: 4,915.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,439.23 : 11,161.75 = 3,276.31 : x
  2. Step 2: Convert to fraction form
    7,439.23/11,161.75 = 3,276.31/x
  3. Step 3: Cross multiply
    7,439.23x = 11,161.75 × 3,276.31
  4. Step 4: Simplify right side
    7,439.23x = 36,569,352.90
  5. Step 5: Solve for x
    x = 36,569,352.90/7,439.23
  6. Step 6: Final answer
    x = 4,915.74

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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.