Home / 5,534.46-8,302.91-1,638.63

Finding the Fourth Proportional to 5,534.46, 8,302.91 and 1,638.63

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Solution

The fourth proportional to 5,534.46, 8,302.91 and 1,638.63 is: 2,458.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,534.46 : 8,302.91 = 1,638.63 : x
  2. Step 2: Convert to fraction form
    5,534.46/8,302.91 = 1,638.63/x
  3. Step 3: Cross multiply
    5,534.46x = 8,302.91 × 1,638.63
  4. Step 4: Simplify right side
    5,534.46x = 13,605,389.22
  5. Step 5: Solve for x
    x = 13,605,389.22/5,534.46
  6. Step 6: Final answer
    x = 2,458.30

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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.