Home / 5,534.20-8,301.14-1,638.60

Finding the Fourth Proportional to 5,534.20, 8,301.14 and 1,638.60

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Solution

The fourth proportional to 5,534.20, 8,301.14 and 1,638.60 is: 2,457.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,534.20 : 8,301.14 = 1,638.60 : x
  2. Step 2: Convert to fraction form
    5,534.20/8,301.14 = 1,638.60/x
  3. Step 3: Cross multiply
    5,534.20x = 8,301.14 × 1,638.60
  4. Step 4: Simplify right side
    5,534.20x = 13,602,248.00
  5. Step 5: Solve for x
    x = 13,602,248.00/5,534.20
  6. Step 6: Final answer
    x = 2,457.85

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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.