Home / 7,725.74-10,661.08-4,538.54

Finding the Fourth Proportional to 7,725.74, 10,661.08 and 4,538.54

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Solution

The fourth proportional to 7,725.74, 10,661.08 and 4,538.54 is: 6,262.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,725.74 : 10,661.08 = 4,538.54 : x
  2. Step 2: Convert to fraction form
    7,725.74/10,661.08 = 4,538.54/x
  3. Step 3: Cross multiply
    7,725.74x = 10,661.08 × 4,538.54
  4. Step 4: Simplify right side
    7,725.74x = 48,385,700.02
  5. Step 5: Solve for x
    x = 48,385,700.02/7,725.74
  6. Step 6: Final answer
    x = 6,262.92

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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.