Home / 4,580.26-6,866.34-1,981.78

Finding the Fourth Proportional to 4,580.26, 6,866.34 and 1,981.78

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Solution

The fourth proportional to 4,580.26, 6,866.34 and 1,981.78 is: 2,970.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,580.26 : 6,866.34 = 1,981.78 : x
  2. Step 2: Convert to fraction form
    4,580.26/6,866.34 = 1,981.78/x
  3. Step 3: Cross multiply
    4,580.26x = 6,866.34 × 1,981.78
  4. Step 4: Simplify right side
    4,580.26x = 13,607,575.29
  5. Step 5: Solve for x
    x = 13,607,575.29/4,580.26
  6. Step 6: Final answer
    x = 2,970.92

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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.