Home / 5,534.28-8,303.04-1,638.78

Finding the Fourth Proportional to 5,534.28, 8,303.04 and 1,638.78

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Solution

The fourth proportional to 5,534.28, 8,303.04 and 1,638.78 is: 2,458.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,534.28 : 8,303.04 = 1,638.78 : x
  2. Step 2: Convert to fraction form
    5,534.28/8,303.04 = 1,638.78/x
  3. Step 3: Cross multiply
    5,534.28x = 8,303.04 × 1,638.78
  4. Step 4: Simplify right side
    5,534.28x = 13,606,855.89
  5. Step 5: Solve for x
    x = 13,606,855.89/5,534.28
  6. Step 6: Final answer
    x = 2,458.65

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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.