Home / 6,590.60-9,903.45-3,631.40

Finding the Fourth Proportional to 6,590.60, 9,903.45 and 3,631.40

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Solution

The fourth proportional to 6,590.60, 9,903.45 and 3,631.40 is: 5,456.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,590.60 : 9,903.45 = 3,631.40 : x
  2. Step 2: Convert to fraction form
    6,590.60/9,903.45 = 3,631.40/x
  3. Step 3: Cross multiply
    6,590.60x = 9,903.45 × 3,631.40
  4. Step 4: Simplify right side
    6,590.60x = 35,963,388.33
  5. Step 5: Solve for x
    x = 35,963,388.33/6,590.60
  6. Step 6: Final answer
    x = 5,456.77

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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.