Home / 5,221.60-7,833.55-2,590.53

Finding the Fourth Proportional to 5,221.60, 7,833.55 and 2,590.53

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Solution

The fourth proportional to 5,221.60, 7,833.55 and 2,590.53 is: 3,886.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,221.60 : 7,833.55 = 2,590.53 : x
  2. Step 2: Convert to fraction form
    5,221.60/7,833.55 = 2,590.53/x
  3. Step 3: Cross multiply
    5,221.60x = 7,833.55 × 2,590.53
  4. Step 4: Simplify right side
    5,221.60x = 20,293,059.35
  5. Step 5: Solve for x
    x = 20,293,059.35/5,221.60
  6. Step 6: Final answer
    x = 3,886.37

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1.5x scale

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.