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Finding the Fourth Proportional to 5,341.44, 8,010.92 and 1,878.68

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Solution

The fourth proportional to 5,341.44, 8,010.92 and 1,878.68 is: 2,817.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,341.44 : 8,010.92 = 1,878.68 : x
  2. Step 2: Convert to fraction form
    5,341.44/8,010.92 = 1,878.68/x
  3. Step 3: Cross multiply
    5,341.44x = 8,010.92 × 1,878.68
  4. Step 4: Simplify right side
    5,341.44x = 15,049,955.19
  5. Step 5: Solve for x
    x = 15,049,955.19/5,341.44
  6. Step 6: Final answer
    x = 2,817.58

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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.