Home / 6,124.72-9,187.12-2,020.72

Finding the Fourth Proportional to 6,124.72, 9,187.12 and 2,020.72

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Solution

The fourth proportional to 6,124.72, 9,187.12 and 2,020.72 is: 3,031.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,124.72 : 9,187.12 = 2,020.72 : x
  2. Step 2: Convert to fraction form
    6,124.72/9,187.12 = 2,020.72/x
  3. Step 3: Cross multiply
    6,124.72x = 9,187.12 × 2,020.72
  4. Step 4: Simplify right side
    6,124.72x = 18,564,597.13
  5. Step 5: Solve for x
    x = 18,564,597.13/6,124.72
  6. Step 6: Final answer
    x = 3,031.09

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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.