Home / 9,780.96-13,494.36-5,802.84

Finding the Fourth Proportional to 9,780.96, 13,494.36 and 5,802.84

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Solution

The fourth proportional to 9,780.96, 13,494.36 and 5,802.84 is: 8,005.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,780.96 : 13,494.36 = 5,802.84 : x
  2. Step 2: Convert to fraction form
    9,780.96/13,494.36 = 5,802.84/x
  3. Step 3: Cross multiply
    9,780.96x = 13,494.36 × 5,802.84
  4. Step 4: Simplify right side
    9,780.96x = 78,305,611.98
  5. Step 5: Solve for x
    x = 78,305,611.98/9,780.96
  6. Step 6: Final answer
    x = 8,005.92

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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.