Home / 8,426.84-11,628.16-4,889.36

Finding the Fourth Proportional to 8,426.84, 11,628.16 and 4,889.36

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Solution

The fourth proportional to 8,426.84, 11,628.16 and 4,889.36 is: 6,746.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,426.84 : 11,628.16 = 4,889.36 : x
  2. Step 2: Convert to fraction form
    8,426.84/11,628.16 = 4,889.36/x
  3. Step 3: Cross multiply
    8,426.84x = 11,628.16 × 4,889.36
  4. Step 4: Simplify right side
    8,426.84x = 56,854,277.22
  5. Step 5: Solve for x
    x = 56,854,277.22/8,426.84
  6. Step 6: Final answer
    x = 6,746.81

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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.