Home / 8,664.92-11,957.04-4,938.68

Finding the Fourth Proportional to 8,664.92, 11,957.04 and 4,938.68

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Solution

The fourth proportional to 8,664.92, 11,957.04 and 4,938.68 is: 6,815.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,664.92 : 11,957.04 = 4,938.68 : x
  2. Step 2: Convert to fraction form
    8,664.92/11,957.04 = 4,938.68/x
  3. Step 3: Cross multiply
    8,664.92x = 11,957.04 × 4,938.68
  4. Step 4: Simplify right side
    8,664.92x = 59,051,999.51
  5. Step 5: Solve for x
    x = 59,051,999.51/8,664.92
  6. Step 6: Final answer
    x = 6,815.06

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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.