Home / 7,802.58-11,705.91-2,256.36

Finding the Fourth Proportional to 7,802.58, 11,705.91 and 2,256.36

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Solution

The fourth proportional to 7,802.58, 11,705.91 and 2,256.36 is: 3,385.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,802.58 : 11,705.91 = 2,256.36 : x
  2. Step 2: Convert to fraction form
    7,802.58/11,705.91 = 2,256.36/x
  3. Step 3: Cross multiply
    7,802.58x = 11,705.91 × 2,256.36
  4. Step 4: Simplify right side
    7,802.58x = 26,412,747.09
  5. Step 5: Solve for x
    x = 26,412,747.09/7,802.58
  6. Step 6: Final answer
    x = 3,385.13

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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.