Home / 7,768.31-11,654.30-2,574.19

Finding the Fourth Proportional to 7,768.31, 11,654.30 and 2,574.19

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Solution

The fourth proportional to 7,768.31, 11,654.30 and 2,574.19 is: 3,861.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,768.31 : 11,654.30 = 2,574.19 : x
  2. Step 2: Convert to fraction form
    7,768.31/11,654.30 = 2,574.19/x
  3. Step 3: Cross multiply
    7,768.31x = 11,654.30 × 2,574.19
  4. Step 4: Simplify right side
    7,768.31x = 30,000,340.51
  5. Step 5: Solve for x
    x = 30,000,340.51/7,768.31
  6. Step 6: Final answer
    x = 3,861.89

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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.