Home / 8,889.04-12,265.50-5,112.44

Finding the Fourth Proportional to 8,889.04, 12,265.50 and 5,112.44

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Solution

The fourth proportional to 8,889.04, 12,265.50 and 5,112.44 is: 7,054.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,889.04 : 12,265.50 = 5,112.44 : x
  2. Step 2: Convert to fraction form
    8,889.04/12,265.50 = 5,112.44/x
  3. Step 3: Cross multiply
    8,889.04x = 12,265.50 × 5,112.44
  4. Step 4: Simplify right side
    8,889.04x = 62,706,632.82
  5. Step 5: Solve for x
    x = 62,706,632.82/8,889.04
  6. Step 6: Final answer
    x = 7,054.38

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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.