Home / 8,160.15-11,256.39-4,801.89

Finding the Fourth Proportional to 8,160.15, 11,256.39 and 4,801.89

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Solution

The fourth proportional to 8,160.15, 11,256.39 and 4,801.89 is: 6,623.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,160.15 : 11,256.39 = 4,801.89 : x
  2. Step 2: Convert to fraction form
    8,160.15/11,256.39 = 4,801.89/x
  3. Step 3: Cross multiply
    8,160.15x = 11,256.39 × 4,801.89
  4. Step 4: Simplify right side
    8,160.15x = 54,051,946.58
  5. Step 5: Solve for x
    x = 54,051,946.58/8,160.15
  6. Step 6: Final answer
    x = 6,623.89

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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.