Home / 6,656.42-9,984.58-1,976.45

Finding the Fourth Proportional to 6,656.42, 9,984.58 and 1,976.45

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Solution

The fourth proportional to 6,656.42, 9,984.58 and 1,976.45 is: 2,964.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,656.42 : 9,984.58 = 1,976.45 : x
  2. Step 2: Convert to fraction form
    6,656.42/9,984.58 = 1,976.45/x
  3. Step 3: Cross multiply
    6,656.42x = 9,984.58 × 1,976.45
  4. Step 4: Simplify right side
    6,656.42x = 19,733,968.28
  5. Step 5: Solve for x
    x = 19,733,968.28/6,656.42
  6. Step 6: Final answer
    x = 2,964.65

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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.