Home / 7,988.02-11,984.36-3,307.16

Finding the Fourth Proportional to 7,988.02, 11,984.36 and 3,307.16

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Solution

The fourth proportional to 7,988.02, 11,984.36 and 3,307.16 is: 4,961.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,988.02 : 11,984.36 = 3,307.16 : x
  2. Step 2: Convert to fraction form
    7,988.02/11,984.36 = 3,307.16/x
  3. Step 3: Cross multiply
    7,988.02x = 11,984.36 × 3,307.16
  4. Step 4: Simplify right side
    7,988.02x = 39,634,209.44
  5. Step 5: Solve for x
    x = 39,634,209.44/7,988.02
  6. Step 6: Final answer
    x = 4,961.71

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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.