Home / 6,020.32-9,029.76-1,638.12

Finding the Fourth Proportional to 6,020.32, 9,029.76 and 1,638.12

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Solution

The fourth proportional to 6,020.32, 9,029.76 and 1,638.12 is: 2,456.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,020.32 : 9,029.76 = 1,638.12 : x
  2. Step 2: Convert to fraction form
    6,020.32/9,029.76 = 1,638.12/x
  3. Step 3: Cross multiply
    6,020.32x = 9,029.76 × 1,638.12
  4. Step 4: Simplify right side
    6,020.32x = 14,791,830.45
  5. Step 5: Solve for x
    x = 14,791,830.45/6,020.32
  6. Step 6: Final answer
    x = 2,456.98

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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.