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Finding the Fourth Proportional to 5,340.91, 8,010.72 and 1,445.62

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Solution

The fourth proportional to 5,340.91, 8,010.72 and 1,445.62 is: 2,168.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,340.91 : 8,010.72 = 1,445.62 : x
  2. Step 2: Convert to fraction form
    5,340.91/8,010.72 = 1,445.62/x
  3. Step 3: Cross multiply
    5,340.91x = 8,010.72 × 1,445.62
  4. Step 4: Simplify right side
    5,340.91x = 11,580,457.05
  5. Step 5: Solve for x
    x = 11,580,457.05/5,340.91
  6. Step 6: Final answer
    x = 2,168.26

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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.