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Finding the Fourth Proportional to 5,655.87, 8,483.81 and 1,763.01

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Solution

The fourth proportional to 5,655.87, 8,483.81 and 1,763.01 is: 2,644.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,655.87 : 8,483.81 = 1,763.01 : x
  2. Step 2: Convert to fraction form
    5,655.87/8,483.81 = 1,763.01/x
  3. Step 3: Cross multiply
    5,655.87x = 8,483.81 × 1,763.01
  4. Step 4: Simplify right side
    5,655.87x = 14,957,033.05
  5. Step 5: Solve for x
    x = 14,957,033.05/5,655.87
  6. Step 6: Final answer
    x = 2,644.52

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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.