Home / 5,780.40-7,976.70-3,262.56

Finding the Fourth Proportional to 5,780.40, 7,976.70 and 3,262.56

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Solution

The fourth proportional to 5,780.40, 7,976.70 and 3,262.56 is: 4,502.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,780.40 : 7,976.70 = 3,262.56 : x
  2. Step 2: Convert to fraction form
    5,780.40/7,976.70 = 3,262.56/x
  3. Step 3: Cross multiply
    5,780.40x = 7,976.70 × 3,262.56
  4. Step 4: Simplify right side
    5,780.40x = 26,024,462.35
  5. Step 5: Solve for x
    x = 26,024,462.35/5,780.40
  6. Step 6: Final answer
    x = 4,502.19

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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.