Home / 7,013.56-10,520.34-4,089.82

Finding the Fourth Proportional to 7,013.56, 10,520.34 and 4,089.82

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Solution

The fourth proportional to 7,013.56, 10,520.34 and 4,089.82 is: 6,134.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,013.56 : 10,520.34 = 4,089.82 : x
  2. Step 2: Convert to fraction form
    7,013.56/10,520.34 = 4,089.82/x
  3. Step 3: Cross multiply
    7,013.56x = 10,520.34 × 4,089.82
  4. Step 4: Simplify right side
    7,013.56x = 43,026,296.94
  5. Step 5: Solve for x
    x = 43,026,296.94/7,013.56
  6. Step 6: Final answer
    x = 6,134.73

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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.