Home / 4,988.62-7,482.97-2,214.55

Finding the Fourth Proportional to 4,988.62, 7,482.97 and 2,214.55

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Solution

The fourth proportional to 4,988.62, 7,482.97 and 2,214.55 is: 3,321.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,988.62 : 7,482.97 = 2,214.55 : x
  2. Step 2: Convert to fraction form
    4,988.62/7,482.97 = 2,214.55/x
  3. Step 3: Cross multiply
    4,988.62x = 7,482.97 × 2,214.55
  4. Step 4: Simplify right side
    4,988.62x = 16,571,423.34
  5. Step 5: Solve for x
    x = 16,571,423.34/4,988.62
  6. Step 6: Final answer
    x = 3,321.84

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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.