Home / 4,988.67-6,885.05-3,219.94

Finding the Fourth Proportional to 4,988.67, 6,885.05 and 3,219.94

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Solution

The fourth proportional to 4,988.67, 6,885.05 and 3,219.94 is: 4,443.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,988.67 : 6,885.05 = 3,219.94 : x
  2. Step 2: Convert to fraction form
    4,988.67/6,885.05 = 3,219.94/x
  3. Step 3: Cross multiply
    4,988.67x = 6,885.05 × 3,219.94
  4. Step 4: Simplify right side
    4,988.67x = 22,169,419.79
  5. Step 5: Solve for x
    x = 22,169,419.79/4,988.67
  6. Step 6: Final answer
    x = 4,443.95

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1.5x scale

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.