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Finding the Fourth Proportional to 7,199.19, 10,798.78 and 3,095.19

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Solution

The fourth proportional to 7,199.19, 10,798.78 and 3,095.19 is: 4,642.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,199.19 : 10,798.78 = 3,095.19 : x
  2. Step 2: Convert to fraction form
    7,199.19/10,798.78 = 3,095.19/x
  3. Step 3: Cross multiply
    7,199.19x = 10,798.78 × 3,095.19
  4. Step 4: Simplify right side
    7,199.19x = 33,424,256.61
  5. Step 5: Solve for x
    x = 33,424,256.61/7,199.19
  6. Step 6: Final answer
    x = 4,642.78

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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.