Home / 7,089.26-10,634.36-2,158.95

Finding the Fourth Proportional to 7,089.26, 10,634.36 and 2,158.95

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Solution

The fourth proportional to 7,089.26, 10,634.36 and 2,158.95 is: 3,238.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,089.26 : 10,634.36 = 2,158.95 : x
  2. Step 2: Convert to fraction form
    7,089.26/10,634.36 = 2,158.95/x
  3. Step 3: Cross multiply
    7,089.26x = 10,634.36 × 2,158.95
  4. Step 4: Simplify right side
    7,089.26x = 22,959,080.61
  5. Step 5: Solve for x
    x = 22,959,080.61/7,089.26
  6. Step 6: Final answer
    x = 3,238.57

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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.