Home / 7,089.88-10,634.64-2,159.32

Finding the Fourth Proportional to 7,089.88, 10,634.64 and 2,159.32

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Solution

The fourth proportional to 7,089.88, 10,634.64 and 2,159.32 is: 3,238.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,089.88 : 10,634.64 = 2,159.32 : x
  2. Step 2: Convert to fraction form
    7,089.88/10,634.64 = 2,159.32/x
  3. Step 3: Cross multiply
    7,089.88x = 10,634.64 × 2,159.32
  4. Step 4: Simplify right side
    7,089.88x = 22,963,590.84
  5. Step 5: Solve for x
    x = 22,963,590.84/7,089.88
  6. Step 6: Final answer
    x = 3,238.93

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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.