Home / 7,272.36-10,909.98-2,655.72

Finding the Fourth Proportional to 7,272.36, 10,909.98 and 2,655.72

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Solution

The fourth proportional to 7,272.36, 10,909.98 and 2,655.72 is: 3,984.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,272.36 : 10,909.98 = 2,655.72 : x
  2. Step 2: Convert to fraction form
    7,272.36/10,909.98 = 2,655.72/x
  3. Step 3: Cross multiply
    7,272.36x = 10,909.98 × 2,655.72
  4. Step 4: Simplify right side
    7,272.36x = 28,973,852.09
  5. Step 5: Solve for x
    x = 28,973,852.09/7,272.36
  6. Step 6: Final answer
    x = 3,984.11

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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.