Home / 7,011.04-10,517.12-4,089.64

Finding the Fourth Proportional to 7,011.04, 10,517.12 and 4,089.64

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Solution

The fourth proportional to 7,011.04, 10,517.12 and 4,089.64 is: 6,134.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,011.04 : 10,517.12 = 4,089.64 : x
  2. Step 2: Convert to fraction form
    7,011.04/10,517.12 = 4,089.64/x
  3. Step 3: Cross multiply
    7,011.04x = 10,517.12 × 4,089.64
  4. Step 4: Simplify right side
    7,011.04x = 43,011,234.64
  5. Step 5: Solve for x
    x = 43,011,234.64/7,011.04
  6. Step 6: Final answer
    x = 6,134.79

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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.