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Finding the Fourth Proportional to 5,340.82, 8,010.84 and 1,642.74

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Solution

The fourth proportional to 5,340.82, 8,010.84 and 1,642.74 is: 2,463.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,340.82 : 8,010.84 = 1,642.74 : x
  2. Step 2: Convert to fraction form
    5,340.82/8,010.84 = 1,642.74/x
  3. Step 3: Cross multiply
    5,340.82x = 8,010.84 × 1,642.74
  4. Step 4: Simplify right side
    5,340.82x = 13,159,727.30
  5. Step 5: Solve for x
    x = 13,159,727.30/5,340.82
  6. Step 6: Final answer
    x = 2,463.99

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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.