Home / 6,653.09-9,171.45-4,262.78

Finding the Fourth Proportional to 6,653.09, 9,171.45 and 4,262.78

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Solution

The fourth proportional to 6,653.09, 9,171.45 and 4,262.78 is: 5,876.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,653.09 : 9,171.45 = 4,262.78 : x
  2. Step 2: Convert to fraction form
    6,653.09/9,171.45 = 4,262.78/x
  3. Step 3: Cross multiply
    6,653.09x = 9,171.45 × 4,262.78
  4. Step 4: Simplify right side
    6,653.09x = 39,095,873.63
  5. Step 5: Solve for x
    x = 39,095,873.63/6,653.09
  6. Step 6: Final answer
    x = 5,876.35

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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.