Home / 7,089.50-10,634.75-2,159.10

Finding the Fourth Proportional to 7,089.50, 10,634.75 and 2,159.10

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Solution

The fourth proportional to 7,089.50, 10,634.75 and 2,159.10 is: 3,238.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,089.50 : 10,634.75 = 2,159.10 : x
  2. Step 2: Convert to fraction form
    7,089.50/10,634.75 = 2,159.10/x
  3. Step 3: Cross multiply
    7,089.50x = 10,634.75 × 2,159.10
  4. Step 4: Simplify right side
    7,089.50x = 22,961,477.93
  5. Step 5: Solve for x
    x = 22,961,477.93/7,089.50
  6. Step 6: Final answer
    x = 3,238.80

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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.