Home / 8,623.22-11,899.62-5,271.63

Finding the Fourth Proportional to 8,623.22, 11,899.62 and 5,271.63

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Solution

The fourth proportional to 8,623.22, 11,899.62 and 5,271.63 is: 7,274.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,623.22 : 11,899.62 = 5,271.63 : x
  2. Step 2: Convert to fraction form
    8,623.22/11,899.62 = 5,271.63/x
  3. Step 3: Cross multiply
    8,623.22x = 11,899.62 × 5,271.63
  4. Step 4: Simplify right side
    8,623.22x = 62,730,393.78
  5. Step 5: Solve for x
    x = 62,730,393.78/8,623.22
  6. Step 6: Final answer
    x = 7,274.59

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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.