Home / 7,013.67-10,520.79-2,853.60

Finding the Fourth Proportional to 7,013.67, 10,520.79 and 2,853.60

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Solution

The fourth proportional to 7,013.67, 10,520.79 and 2,853.60 is: 4,280.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,013.67 : 10,520.79 = 2,853.60 : x
  2. Step 2: Convert to fraction form
    7,013.67/10,520.79 = 2,853.60/x
  3. Step 3: Cross multiply
    7,013.67x = 10,520.79 × 2,853.60
  4. Step 4: Simplify right side
    7,013.67x = 30,022,126.34
  5. Step 5: Solve for x
    x = 30,022,126.34/7,013.67
  6. Step 6: Final answer
    x = 4,280.52

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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.