Home / 8,789.74-13,186.53-2,946.20

Finding the Fourth Proportional to 8,789.74, 13,186.53 and 2,946.20

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Solution

The fourth proportional to 8,789.74, 13,186.53 and 2,946.20 is: 4,419.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,789.74 : 13,186.53 = 2,946.20 : x
  2. Step 2: Convert to fraction form
    8,789.74/13,186.53 = 2,946.20/x
  3. Step 3: Cross multiply
    8,789.74x = 13,186.53 × 2,946.20
  4. Step 4: Simplify right side
    8,789.74x = 38,850,088.75
  5. Step 5: Solve for x
    x = 38,850,088.75/8,789.74
  6. Step 6: Final answer
    x = 4,419.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.