Home / 6,820.70-9,412.65-4,167.54

Finding the Fourth Proportional to 6,820.70, 9,412.65 and 4,167.54

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Solution

The fourth proportional to 6,820.70, 9,412.65 and 4,167.54 is: 5,751.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,820.70 : 9,412.65 = 4,167.54 : x
  2. Step 2: Convert to fraction form
    6,820.70/9,412.65 = 4,167.54/x
  3. Step 3: Cross multiply
    6,820.70x = 9,412.65 × 4,167.54
  4. Step 4: Simplify right side
    6,820.70x = 39,227,595.38
  5. Step 5: Solve for x
    x = 39,227,595.38/6,820.70
  6. Step 6: Final answer
    x = 5,751.26

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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.