Home / 4,904.90-7,345.20-3,665.60

Finding the Fourth Proportional to 4,904.90, 7,345.20 and 3,665.60

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Solution

The fourth proportional to 4,904.90, 7,345.20 and 3,665.60 is: 5,489.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,904.90 : 7,345.20 = 3,665.60 : x
  2. Step 2: Convert to fraction form
    4,904.90/7,345.20 = 3,665.60/x
  3. Step 3: Cross multiply
    4,904.90x = 7,345.20 × 3,665.60
  4. Step 4: Simplify right side
    4,904.90x = 26,924,565.12
  5. Step 5: Solve for x
    x = 26,924,565.12/4,904.90
  6. Step 6: Final answer
    x = 5,489.32

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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.