Home / 7,988.00-11,981.57-3,057.26

Finding the Fourth Proportional to 7,988.00, 11,981.57 and 3,057.26

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Solution

The fourth proportional to 7,988.00, 11,981.57 and 3,057.26 is: 4,585.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,988.00 : 11,981.57 = 3,057.26 : x
  2. Step 2: Convert to fraction form
    7,988.00/11,981.57 = 3,057.26/x
  3. Step 3: Cross multiply
    7,988.00x = 11,981.57 × 3,057.26
  4. Step 4: Simplify right side
    7,988.00x = 36,630,699.50
  5. Step 5: Solve for x
    x = 36,630,699.50/7,988.00
  6. Step 6: Final answer
    x = 4,585.72

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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.