Home / 4,988.86-7,485.90-2,217.52

Finding the Fourth Proportional to 4,988.86, 7,485.90 and 2,217.52

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Solution

The fourth proportional to 4,988.86, 7,485.90 and 2,217.52 is: 3,327.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,988.86 : 7,485.90 = 2,217.52 : x
  2. Step 2: Convert to fraction form
    4,988.86/7,485.90 = 2,217.52/x
  3. Step 3: Cross multiply
    4,988.86x = 7,485.90 × 2,217.52
  4. Step 4: Simplify right side
    4,988.86x = 16,600,132.97
  5. Step 5: Solve for x
    x = 16,600,132.97/4,988.86
  6. Step 6: Final answer
    x = 3,327.44

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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.