Home / 9,109.08-13,672.98-4,725.36

Finding the Fourth Proportional to 9,109.08, 13,672.98 and 4,725.36

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Solution

The fourth proportional to 9,109.08, 13,672.98 and 4,725.36 is: 7,092.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,109.08 : 13,672.98 = 4,725.36 : x
  2. Step 2: Convert to fraction form
    9,109.08/13,672.98 = 4,725.36/x
  3. Step 3: Cross multiply
    9,109.08x = 13,672.98 × 4,725.36
  4. Step 4: Simplify right side
    9,109.08x = 64,609,752.77
  5. Step 5: Solve for x
    x = 64,609,752.77/9,109.08
  6. Step 6: Final answer
    x = 7,092.90

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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.