Home / 6,412.70-9,605.55-3,283.20

Finding the Fourth Proportional to 6,412.70, 9,605.55 and 3,283.20

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Solution

The fourth proportional to 6,412.70, 9,605.55 and 3,283.20 is: 4,917.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,412.70 : 9,605.55 = 3,283.20 : x
  2. Step 2: Convert to fraction form
    6,412.70/9,605.55 = 3,283.20/x
  3. Step 3: Cross multiply
    6,412.70x = 9,605.55 × 3,283.20
  4. Step 4: Simplify right side
    6,412.70x = 31,536,954.07
  5. Step 5: Solve for x
    x = 31,536,954.07/6,412.70
  6. Step 6: Final answer
    x = 4,917.89

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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.