Home / 4,988.88-7,485.48-2,677.68

Finding the Fourth Proportional to 4,988.88, 7,485.48 and 2,677.68

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Solution

The fourth proportional to 4,988.88, 7,485.48 and 2,677.68 is: 4,017.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,988.88 : 7,485.48 = 2,677.68 : x
  2. Step 2: Convert to fraction form
    4,988.88/7,485.48 = 2,677.68/x
  3. Step 3: Cross multiply
    4,988.88x = 7,485.48 × 2,677.68
  4. Step 4: Simplify right side
    4,988.88x = 20,043,720.09
  5. Step 5: Solve for x
    x = 20,043,720.09/4,988.88
  6. Step 6: Final answer
    x = 4,017.68

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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.