Home / 8,132.04-11,212.02-6,638.44

Finding the Fourth Proportional to 8,132.04, 11,212.02 and 6,638.44

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Solution

The fourth proportional to 8,132.04, 11,212.02 and 6,638.44 is: 9,152.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,132.04 : 11,212.02 = 6,638.44 : x
  2. Step 2: Convert to fraction form
    8,132.04/11,212.02 = 6,638.44/x
  3. Step 3: Cross multiply
    8,132.04x = 11,212.02 × 6,638.44
  4. Step 4: Simplify right side
    8,132.04x = 74,430,322.05
  5. Step 5: Solve for x
    x = 74,430,322.05/8,132.04
  6. Step 6: Final answer
    x = 9,152.72

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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.