Home / 8,179.04-12,270.72-4,708.64

Finding the Fourth Proportional to 8,179.04, 12,270.72 and 4,708.64

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Solution

The fourth proportional to 8,179.04, 12,270.72 and 4,708.64 is: 7,064.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,179.04 : 12,270.72 = 4,708.64 : x
  2. Step 2: Convert to fraction form
    8,179.04/12,270.72 = 4,708.64/x
  3. Step 3: Cross multiply
    8,179.04x = 12,270.72 × 4,708.64
  4. Step 4: Simplify right side
    8,179.04x = 57,778,403.02
  5. Step 5: Solve for x
    x = 57,778,403.02/8,179.04
  6. Step 6: Final answer
    x = 7,064.20

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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.