Home / 4,580.15-6,865.61-1,808.78

Finding the Fourth Proportional to 4,580.15, 6,865.61 and 1,808.78

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Solution

The fourth proportional to 4,580.15, 6,865.61 and 1,808.78 is: 2,711.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,580.15 : 6,865.61 = 1,808.78 : x
  2. Step 2: Convert to fraction form
    4,580.15/6,865.61 = 1,808.78/x
  3. Step 3: Cross multiply
    4,580.15x = 6,865.61 × 1,808.78
  4. Step 4: Simplify right side
    4,580.15x = 12,418,383.48
  5. Step 5: Solve for x
    x = 12,418,383.48/4,580.15
  6. Step 6: Final answer
    x = 2,711.35

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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.