Home / 8,172.83-11,276.83-4,635.11

Finding the Fourth Proportional to 8,172.83, 11,276.83 and 4,635.11

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Solution

The fourth proportional to 8,172.83, 11,276.83 and 4,635.11 is: 6,395.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,172.83 : 11,276.83 = 4,635.11 : x
  2. Step 2: Convert to fraction form
    8,172.83/11,276.83 = 4,635.11/x
  3. Step 3: Cross multiply
    8,172.83x = 11,276.83 × 4,635.11
  4. Step 4: Simplify right side
    8,172.83x = 52,269,347.50
  5. Step 5: Solve for x
    x = 52,269,347.50/8,172.83
  6. Step 6: Final answer
    x = 6,395.50

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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.