Home / 7,989.65-11,984.40-2,066.02

Finding the Fourth Proportional to 7,989.65, 11,984.40 and 2,066.02

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Solution

The fourth proportional to 7,989.65, 11,984.40 and 2,066.02 is: 3,099.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,989.65 : 11,984.40 = 2,066.02 : x
  2. Step 2: Convert to fraction form
    7,989.65/11,984.40 = 2,066.02/x
  3. Step 3: Cross multiply
    7,989.65x = 11,984.40 × 2,066.02
  4. Step 4: Simplify right side
    7,989.65x = 24,759,980.13
  5. Step 5: Solve for x
    x = 24,759,980.13/7,989.65
  6. Step 6: Final answer
    x = 3,099.01

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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.