Home / 8,272.31-11,415.60-4,495.32

Finding the Fourth Proportional to 8,272.31, 11,415.60 and 4,495.32

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Solution

The fourth proportional to 8,272.31, 11,415.60 and 4,495.32 is: 6,203.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,272.31 : 11,415.60 = 4,495.32 : x
  2. Step 2: Convert to fraction form
    8,272.31/11,415.60 = 4,495.32/x
  3. Step 3: Cross multiply
    8,272.31x = 11,415.60 × 4,495.32
  4. Step 4: Simplify right side
    8,272.31x = 51,316,774.99
  5. Step 5: Solve for x
    x = 51,316,774.99/8,272.31
  6. Step 6: Final answer
    x = 6,203.44

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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.