Home / 4,747.70-6,551.73-2,885.30

Finding the Fourth Proportional to 4,747.70, 6,551.73 and 2,885.30

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Solution

The fourth proportional to 4,747.70, 6,551.73 and 2,885.30 is: 3,981.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,747.70 : 6,551.73 = 2,885.30 : x
  2. Step 2: Convert to fraction form
    4,747.70/6,551.73 = 2,885.30/x
  3. Step 3: Cross multiply
    4,747.70x = 6,551.73 × 2,885.30
  4. Step 4: Simplify right side
    4,747.70x = 18,903,706.57
  5. Step 5: Solve for x
    x = 18,903,706.57/4,747.70
  6. Step 6: Final answer
    x = 3,981.66

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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.