Home / 7,829.02-11,740.61-3,147.45

Finding the Fourth Proportional to 7,829.02, 11,740.61 and 3,147.45

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Solution

The fourth proportional to 7,829.02, 11,740.61 and 3,147.45 is: 4,720.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,829.02 : 11,740.61 = 3,147.45 : x
  2. Step 2: Convert to fraction form
    7,829.02/11,740.61 = 3,147.45/x
  3. Step 3: Cross multiply
    7,829.02x = 11,740.61 × 3,147.45
  4. Step 4: Simplify right side
    7,829.02x = 36,952,979.01
  5. Step 5: Solve for x
    x = 36,952,979.01/7,829.02
  6. Step 6: Final answer
    x = 4,720.00

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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.