Home / 4,828.60-6,654.99-3,984.31

Finding the Fourth Proportional to 4,828.60, 6,654.99 and 3,984.31

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Solution

The fourth proportional to 4,828.60, 6,654.99 and 3,984.31 is: 5,491.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,828.60 : 6,654.99 = 3,984.31 : x
  2. Step 2: Convert to fraction form
    4,828.60/6,654.99 = 3,984.31/x
  3. Step 3: Cross multiply
    4,828.60x = 6,654.99 × 3,984.31
  4. Step 4: Simplify right side
    4,828.60x = 26,515,543.21
  5. Step 5: Solve for x
    x = 26,515,543.21/4,828.60
  6. Step 6: Final answer
    x = 5,491.35

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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.