Home / 5,638.60-8,461.27-3,008.06

Finding the Fourth Proportional to 5,638.60, 8,461.27 and 3,008.06

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Solution

The fourth proportional to 5,638.60, 8,461.27 and 3,008.06 is: 4,513.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,638.60 : 8,461.27 = 3,008.06 : x
  2. Step 2: Convert to fraction form
    5,638.60/8,461.27 = 3,008.06/x
  3. Step 3: Cross multiply
    5,638.60x = 8,461.27 × 3,008.06
  4. Step 4: Simplify right side
    5,638.60x = 25,452,007.84
  5. Step 5: Solve for x
    x = 25,452,007.84/5,638.60
  6. Step 6: Final answer
    x = 4,513.89

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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.