Home / 8,426.29-11,628.32-4,649.50

Finding the Fourth Proportional to 8,426.29, 11,628.32 and 4,649.50

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Solution

The fourth proportional to 8,426.29, 11,628.32 and 4,649.50 is: 6,416.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,426.29 : 11,628.32 = 4,649.50 : x
  2. Step 2: Convert to fraction form
    8,426.29/11,628.32 = 4,649.50/x
  3. Step 3: Cross multiply
    8,426.29x = 11,628.32 × 4,649.50
  4. Step 4: Simplify right side
    8,426.29x = 54,065,873.84
  5. Step 5: Solve for x
    x = 54,065,873.84/8,426.29
  6. Step 6: Final answer
    x = 6,416.33

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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.