Home / 7,089.33-10,635.53-2,159.36

Finding the Fourth Proportional to 7,089.33, 10,635.53 and 2,159.36

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Solution

The fourth proportional to 7,089.33, 10,635.53 and 2,159.36 is: 3,239.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,089.33 : 10,635.53 = 2,159.36 : x
  2. Step 2: Convert to fraction form
    7,089.33/10,635.53 = 2,159.36/x
  3. Step 3: Cross multiply
    7,089.33x = 10,635.53 × 2,159.36
  4. Step 4: Simplify right side
    7,089.33x = 22,965,938.06
  5. Step 5: Solve for x
    x = 22,965,938.06/7,089.33
  6. Step 6: Final answer
    x = 3,239.51

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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.