Home / 5,534.32-8,301.54-1,638.80

Finding the Fourth Proportional to 5,534.32, 8,301.54 and 1,638.80

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Solution

The fourth proportional to 5,534.32, 8,301.54 and 1,638.80 is: 2,458.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,534.32 : 8,301.54 = 1,638.80 : x
  2. Step 2: Convert to fraction form
    5,534.32/8,301.54 = 1,638.80/x
  3. Step 3: Cross multiply
    5,534.32x = 8,301.54 × 1,638.80
  4. Step 4: Simplify right side
    5,534.32x = 13,604,563.75
  5. Step 5: Solve for x
    x = 13,604,563.75/5,534.32
  6. Step 6: Final answer
    x = 2,458.22

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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.