Home / 6,021.12-9,031.80-1,638.58

Finding the Fourth Proportional to 6,021.12, 9,031.80 and 1,638.58

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Solution

The fourth proportional to 6,021.12, 9,031.80 and 1,638.58 is: 2,457.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,021.12 : 9,031.80 = 1,638.58 : x
  2. Step 2: Convert to fraction form
    6,021.12/9,031.80 = 1,638.58/x
  3. Step 3: Cross multiply
    6,021.12x = 9,031.80 × 1,638.58
  4. Step 4: Simplify right side
    6,021.12x = 14,799,316.97
  5. Step 5: Solve for x
    x = 14,799,316.97/6,021.12
  6. Step 6: Final answer
    x = 2,457.90

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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.