Home / 7,802.20-11,703.30-7,194.70

Finding the Fourth Proportional to 7,802.20, 11,703.30 and 7,194.70

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Solution

The fourth proportional to 7,802.20, 11,703.30 and 7,194.70 is: 10,792.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,802.20 : 11,703.30 = 7,194.70 : x
  2. Step 2: Convert to fraction form
    7,802.20/11,703.30 = 7,194.70/x
  3. Step 3: Cross multiply
    7,802.20x = 11,703.30 × 7,194.70
  4. Step 4: Simplify right side
    7,802.20x = 84,201,732.51
  5. Step 5: Solve for x
    x = 84,201,732.51/7,802.20
  6. Step 6: Final answer
    x = 10,792.05

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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.