Home / 7,725.08-10,660.36-4,538.32

Finding the Fourth Proportional to 7,725.08, 10,660.36 and 4,538.32

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Solution

The fourth proportional to 7,725.08, 10,660.36 and 4,538.32 is: 6,262.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,725.08 : 10,660.36 = 4,538.32 : x
  2. Step 2: Convert to fraction form
    7,725.08/10,660.36 = 4,538.32/x
  3. Step 3: Cross multiply
    7,725.08x = 10,660.36 × 4,538.32
  4. Step 4: Simplify right side
    7,725.08x = 48,380,125.00
  5. Step 5: Solve for x
    x = 48,380,125.00/7,725.08
  6. Step 6: Final answer
    x = 6,262.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.