Home / 5,290.84-7,299.78-3,052.67

Finding the Fourth Proportional to 5,290.84, 7,299.78 and 3,052.67

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Solution

The fourth proportional to 5,290.84, 7,299.78 and 3,052.67 is: 4,211.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,290.84 : 7,299.78 = 3,052.67 : x
  2. Step 2: Convert to fraction form
    5,290.84/7,299.78 = 3,052.67/x
  3. Step 3: Cross multiply
    5,290.84x = 7,299.78 × 3,052.67
  4. Step 4: Simplify right side
    5,290.84x = 22,283,826.21
  5. Step 5: Solve for x
    x = 22,283,826.21/5,290.84
  6. Step 6: Final answer
    x = 4,211.78

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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.