Home / 4,987.80-7,487.46-3,259.80

Finding the Fourth Proportional to 4,987.80, 7,487.46 and 3,259.80

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Solution

The fourth proportional to 4,987.80, 7,487.46 and 3,259.80 is: 4,893.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,987.80 : 7,487.46 = 3,259.80 : x
  2. Step 2: Convert to fraction form
    4,987.80/7,487.46 = 3,259.80/x
  3. Step 3: Cross multiply
    4,987.80x = 7,487.46 × 3,259.80
  4. Step 4: Simplify right side
    4,987.80x = 24,407,622.11
  5. Step 5: Solve for x
    x = 24,407,622.11/4,987.80
  6. Step 6: Final answer
    x = 4,893.46

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1.5x scale

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.