Home / 7,875.18-11,812.77-3,195.18

Finding the Fourth Proportional to 7,875.18, 11,812.77 and 3,195.18

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Solution

The fourth proportional to 7,875.18, 11,812.77 and 3,195.18 is: 4,792.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,875.18 : 11,812.77 = 3,195.18 : x
  2. Step 2: Convert to fraction form
    7,875.18/11,812.77 = 3,195.18/x
  3. Step 3: Cross multiply
    7,875.18x = 11,812.77 × 3,195.18
  4. Step 4: Simplify right side
    7,875.18x = 37,743,926.45
  5. Step 5: Solve for x
    x = 37,743,926.45/7,875.18
  6. Step 6: Final answer
    x = 4,792.77

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Similar ratio
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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.