Home / 4,209.89-6,316.07-2,020.46

Finding the Fourth Proportional to 4,209.89, 6,316.07 and 2,020.46

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Solution

The fourth proportional to 4,209.89, 6,316.07 and 2,020.46 is: 3,031.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,209.89 : 6,316.07 = 2,020.46 : x
  2. Step 2: Convert to fraction form
    4,209.89/6,316.07 = 2,020.46/x
  3. Step 3: Cross multiply
    4,209.89x = 6,316.07 × 2,020.46
  4. Step 4: Simplify right side
    4,209.89x = 12,761,325.11
  5. Step 5: Solve for x
    x = 12,761,325.11/4,209.89
  6. Step 6: Final answer
    x = 3,031.28

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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.