Home / 4,013.04-6,020.32-1,380.80

Finding the Fourth Proportional to 4,013.04, 6,020.32 and 1,380.80

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Solution

The fourth proportional to 4,013.04, 6,020.32 and 1,380.80 is: 2,071.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,013.04 : 6,020.32 = 1,380.80 : x
  2. Step 2: Convert to fraction form
    4,013.04/6,020.32 = 1,380.80/x
  3. Step 3: Cross multiply
    4,013.04x = 6,020.32 × 1,380.80
  4. Step 4: Simplify right side
    4,013.04x = 8,312,857.86
  5. Step 5: Solve for x
    x = 8,312,857.86/4,013.04
  6. Step 6: Final answer
    x = 2,071.46

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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.