Home / 8,765.84-13,148.76-2,922.56

Finding the Fourth Proportional to 8,765.84, 13,148.76 and 2,922.56

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Solution

The fourth proportional to 8,765.84, 13,148.76 and 2,922.56 is: 4,383.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,765.84 : 13,148.76 = 2,922.56 : x
  2. Step 2: Convert to fraction form
    8,765.84/13,148.76 = 2,922.56/x
  3. Step 3: Cross multiply
    8,765.84x = 13,148.76 × 2,922.56
  4. Step 4: Simplify right side
    8,765.84x = 38,428,040.03
  5. Step 5: Solve for x
    x = 38,428,040.03/8,765.84
  6. Step 6: Final answer
    x = 4,383.84

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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.