Home / 8,889.95-12,267.33-5,112.11

Finding the Fourth Proportional to 8,889.95, 12,267.33 and 5,112.11

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Solution

The fourth proportional to 8,889.95, 12,267.33 and 5,112.11 is: 7,054.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,889.95 : 12,267.33 = 5,112.11 : x
  2. Step 2: Convert to fraction form
    8,889.95/12,267.33 = 5,112.11/x
  3. Step 3: Cross multiply
    8,889.95x = 12,267.33 × 5,112.11
  4. Step 4: Simplify right side
    8,889.95x = 62,711,940.37
  5. Step 5: Solve for x
    x = 62,711,940.37/8,889.95
  6. Step 6: Final answer
    x = 7,054.25

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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.