Home / 7,511.25-11,255.92-4,225.26

Finding the Fourth Proportional to 7,511.25, 11,255.92 and 4,225.26

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Solution

The fourth proportional to 7,511.25, 11,255.92 and 4,225.26 is: 6,331.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,511.25 : 11,255.92 = 4,225.26 : x
  2. Step 2: Convert to fraction form
    7,511.25/11,255.92 = 4,225.26/x
  3. Step 3: Cross multiply
    7,511.25x = 11,255.92 × 4,225.26
  4. Step 4: Simplify right side
    7,511.25x = 47,559,167.41
  5. Step 5: Solve for x
    x = 47,559,167.41/7,511.25
  6. Step 6: Final answer
    x = 6,331.72

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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.