Home / 7,089.48-10,634.73-2,159.10

Finding the Fourth Proportional to 7,089.48, 10,634.73 and 2,159.10

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Solution

The fourth proportional to 7,089.48, 10,634.73 and 2,159.10 is: 3,238.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,089.48 : 10,634.73 = 2,159.10 : x
  2. Step 2: Convert to fraction form
    7,089.48/10,634.73 = 2,159.10/x
  3. Step 3: Cross multiply
    7,089.48x = 10,634.73 × 2,159.10
  4. Step 4: Simplify right side
    7,089.48x = 22,961,445.54
  5. Step 5: Solve for x
    x = 22,961,445.54/7,089.48
  6. Step 6: Final answer
    x = 3,238.81

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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.