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Finding the Fourth Proportional to 5,643.98, 8,463.29 and 1,693.70

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Solution

The fourth proportional to 5,643.98, 8,463.29 and 1,693.70 is: 2,539.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,643.98 : 8,463.29 = 1,693.70 : x
  2. Step 2: Convert to fraction form
    5,643.98/8,463.29 = 1,693.70/x
  3. Step 3: Cross multiply
    5,643.98x = 8,463.29 × 1,693.70
  4. Step 4: Simplify right side
    5,643.98x = 14,334,231.96
  5. Step 5: Solve for x
    x = 14,334,231.96/5,643.98
  6. Step 6: Final answer
    x = 2,539.74

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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.