Home / 8,426.63-11,628.77-4,649.91

Finding the Fourth Proportional to 8,426.63, 11,628.77 and 4,649.91

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Solution

The fourth proportional to 8,426.63, 11,628.77 and 4,649.91 is: 6,416.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,426.63 : 11,628.77 = 4,649.91 : x
  2. Step 2: Convert to fraction form
    8,426.63/11,628.77 = 4,649.91/x
  3. Step 3: Cross multiply
    8,426.63x = 11,628.77 × 4,649.91
  4. Step 4: Simplify right side
    8,426.63x = 54,072,667.05
  5. Step 5: Solve for x
    x = 54,072,667.05/8,426.63
  6. Step 6: Final answer
    x = 6,416.88

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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.