Home / 5,643.50-8,465.30-1,747.88

Finding the Fourth Proportional to 5,643.50, 8,465.30 and 1,747.88

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Solution

The fourth proportional to 5,643.50, 8,465.30 and 1,747.88 is: 2,621.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,643.50 : 8,465.30 = 1,747.88 : x
  2. Step 2: Convert to fraction form
    5,643.50/8,465.30 = 1,747.88/x
  3. Step 3: Cross multiply
    5,643.50x = 8,465.30 × 1,747.88
  4. Step 4: Simplify right side
    5,643.50x = 14,796,328.56
  5. Step 5: Solve for x
    x = 14,796,328.56/5,643.50
  6. Step 6: Final answer
    x = 2,621.84

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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.