Home / 6,571.29-9,853.65-2,187.21

Finding the Fourth Proportional to 6,571.29, 9,853.65 and 2,187.21

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Solution

The fourth proportional to 6,571.29, 9,853.65 and 2,187.21 is: 3,279.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,571.29 : 9,853.65 = 2,187.21 : x
  2. Step 2: Convert to fraction form
    6,571.29/9,853.65 = 2,187.21/x
  3. Step 3: Cross multiply
    6,571.29x = 9,853.65 × 2,187.21
  4. Step 4: Simplify right side
    6,571.29x = 21,552,001.82
  5. Step 5: Solve for x
    x = 21,552,001.82/6,571.29
  6. Step 6: Final answer
    x = 3,279.72

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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.