Home / 7,693.04-11,560.40-4,185.64

Finding the Fourth Proportional to 7,693.04, 11,560.40 and 4,185.64

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Solution

The fourth proportional to 7,693.04, 11,560.40 and 4,185.64 is: 6,289.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,693.04 : 11,560.40 = 4,185.64 : x
  2. Step 2: Convert to fraction form
    7,693.04/11,560.40 = 4,185.64/x
  3. Step 3: Cross multiply
    7,693.04x = 11,560.40 × 4,185.64
  4. Step 4: Simplify right side
    7,693.04x = 48,387,593.93
  5. Step 5: Solve for x
    x = 48,387,593.93/7,693.04
  6. Step 6: Final answer
    x = 6,289.79

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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.