Home / 8,740.80-12,061.26-4,962.60

Finding the Fourth Proportional to 8,740.80, 12,061.26 and 4,962.60

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Solution

The fourth proportional to 8,740.80, 12,061.26 and 4,962.60 is: 6,847.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,740.80 : 12,061.26 = 4,962.60 : x
  2. Step 2: Convert to fraction form
    8,740.80/12,061.26 = 4,962.60/x
  3. Step 3: Cross multiply
    8,740.80x = 12,061.26 × 4,962.60
  4. Step 4: Simplify right side
    8,740.80x = 59,855,208.88
  5. Step 5: Solve for x
    x = 59,855,208.88/8,740.80
  6. Step 6: Final answer
    x = 6,847.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.