Home / 7,013.04-10,520.12-4,091.64

Finding the Fourth Proportional to 7,013.04, 10,520.12 and 4,091.64

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Solution

The fourth proportional to 7,013.04, 10,520.12 and 4,091.64 is: 6,137.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,013.04 : 10,520.12 = 4,091.64 : x
  2. Step 2: Convert to fraction form
    7,013.04/10,520.12 = 4,091.64/x
  3. Step 3: Cross multiply
    7,013.04x = 10,520.12 × 4,091.64
  4. Step 4: Simplify right side
    7,013.04x = 43,044,543.80
  5. Step 5: Solve for x
    x = 43,044,543.80/7,013.04
  6. Step 6: Final answer
    x = 6,137.79

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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.