Home / 7,089.91-10,635.45-2,159.59

Finding the Fourth Proportional to 7,089.91, 10,635.45 and 2,159.59

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Solution

The fourth proportional to 7,089.91, 10,635.45 and 2,159.59 is: 3,239.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,089.91 : 10,635.45 = 2,159.59 : x
  2. Step 2: Convert to fraction form
    7,089.91/10,635.45 = 2,159.59/x
  3. Step 3: Cross multiply
    7,089.91x = 10,635.45 × 2,159.59
  4. Step 4: Simplify right side
    7,089.91x = 22,968,184.88
  5. Step 5: Solve for x
    x = 22,968,184.88/7,089.91
  6. Step 6: Final answer
    x = 3,239.56

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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.