Home / 8,769.51-12,101.40-4,789.83

Finding the Fourth Proportional to 8,769.51, 12,101.40 and 4,789.83

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Solution

The fourth proportional to 8,769.51, 12,101.40 and 4,789.83 is: 6,609.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,769.51 : 12,101.40 = 4,789.83 : x
  2. Step 2: Convert to fraction form
    8,769.51/12,101.40 = 4,789.83/x
  3. Step 3: Cross multiply
    8,769.51x = 12,101.40 × 4,789.83
  4. Step 4: Simplify right side
    8,769.51x = 57,963,648.76
  5. Step 5: Solve for x
    x = 57,963,648.76/8,769.51
  6. Step 6: Final answer
    x = 6,609.68

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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.