Home / 6,554.57-9,828.67-2,170.55

Finding the Fourth Proportional to 6,554.57, 9,828.67 and 2,170.55

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Solution

The fourth proportional to 6,554.57, 9,828.67 and 2,170.55 is: 3,254.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,554.57 : 9,828.67 = 2,170.55 : x
  2. Step 2: Convert to fraction form
    6,554.57/9,828.67 = 2,170.55/x
  3. Step 3: Cross multiply
    6,554.57x = 9,828.67 × 2,170.55
  4. Step 4: Simplify right side
    6,554.57x = 21,333,581.49
  5. Step 5: Solve for x
    x = 21,333,581.49/6,554.57
  6. Step 6: Final answer
    x = 3,254.76

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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.