Home / 7,089.42-10,635.75-3,392.58

Finding the Fourth Proportional to 7,089.42, 10,635.75 and 3,392.58

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Solution

The fourth proportional to 7,089.42, 10,635.75 and 3,392.58 is: 5,089.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,089.42 : 10,635.75 = 3,392.58 : x
  2. Step 2: Convert to fraction form
    7,089.42/10,635.75 = 3,392.58/x
  3. Step 3: Cross multiply
    7,089.42x = 10,635.75 × 3,392.58
  4. Step 4: Simplify right side
    7,089.42x = 36,082,632.74
  5. Step 5: Solve for x
    x = 36,082,632.74/7,089.42
  6. Step 6: Final answer
    x = 5,089.65

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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.