Home / 8,425.81-11,628.28-4,649.73

Finding the Fourth Proportional to 8,425.81, 11,628.28 and 4,649.73

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Solution

The fourth proportional to 8,425.81, 11,628.28 and 4,649.73 is: 6,416.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,425.81 : 11,628.28 = 4,649.73 : x
  2. Step 2: Convert to fraction form
    8,425.81/11,628.28 = 4,649.73/x
  3. Step 3: Cross multiply
    8,425.81x = 11,628.28 × 4,649.73
  4. Step 4: Simplify right side
    8,425.81x = 54,068,362.36
  5. Step 5: Solve for x
    x = 54,068,362.36/8,425.81
  6. Step 6: Final answer
    x = 6,416.99

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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.