Home / 8,323.29-11,485.31-4,965.39

Finding the Fourth Proportional to 8,323.29, 11,485.31 and 4,965.39

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Solution

The fourth proportional to 8,323.29, 11,485.31 and 4,965.39 is: 6,851.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,323.29 : 11,485.31 = 4,965.39 : x
  2. Step 2: Convert to fraction form
    8,323.29/11,485.31 = 4,965.39/x
  3. Step 3: Cross multiply
    8,323.29x = 11,485.31 × 4,965.39
  4. Step 4: Simplify right side
    8,323.29x = 57,029,018.59
  5. Step 5: Solve for x
    x = 57,029,018.59/8,323.29
  6. Step 6: Final answer
    x = 6,851.74

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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.