Home / 8,944.22-12,343.14-5,406.80

Finding the Fourth Proportional to 8,944.22, 12,343.14 and 5,406.80

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Solution

The fourth proportional to 8,944.22, 12,343.14 and 5,406.80 is: 7,461.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,944.22 : 12,343.14 = 5,406.80 : x
  2. Step 2: Convert to fraction form
    8,944.22/12,343.14 = 5,406.80/x
  3. Step 3: Cross multiply
    8,944.22x = 12,343.14 × 5,406.80
  4. Step 4: Simplify right side
    8,944.22x = 66,736,889.35
  5. Step 5: Solve for x
    x = 66,736,889.35/8,944.22
  6. Step 6: Final answer
    x = 7,461.45

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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.