Home / 8,127.54-11,215.67-4,591.08

Finding the Fourth Proportional to 8,127.54, 11,215.67 and 4,591.08

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Solution

The fourth proportional to 8,127.54, 11,215.67 and 4,591.08 is: 6,335.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,127.54 : 11,215.67 = 4,591.08 : x
  2. Step 2: Convert to fraction form
    8,127.54/11,215.67 = 4,591.08/x
  3. Step 3: Cross multiply
    8,127.54x = 11,215.67 × 4,591.08
  4. Step 4: Simplify right side
    8,127.54x = 51,492,015.27
  5. Step 5: Solve for x
    x = 51,492,015.27/8,127.54
  6. Step 6: Final answer
    x = 6,335.50

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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.