Home / 8,262.40-11,394.29-5,424.76

Finding the Fourth Proportional to 8,262.40, 11,394.29 and 5,424.76

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Solution

The fourth proportional to 8,262.40, 11,394.29 and 5,424.76 is: 7,481.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,262.40 : 11,394.29 = 5,424.76 : x
  2. Step 2: Convert to fraction form
    8,262.40/11,394.29 = 5,424.76/x
  3. Step 3: Cross multiply
    8,262.40x = 11,394.29 × 5,424.76
  4. Step 4: Simplify right side
    8,262.40x = 61,811,261.50
  5. Step 5: Solve for x
    x = 61,811,261.50/8,262.40
  6. Step 6: Final answer
    x = 7,481.03

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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.