Home / 6,570.32-9,855.33-2,187.82

Finding the Fourth Proportional to 6,570.32, 9,855.33 and 2,187.82

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Solution

The fourth proportional to 6,570.32, 9,855.33 and 2,187.82 is: 3,281.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,570.32 : 9,855.33 = 2,187.82 : x
  2. Step 2: Convert to fraction form
    6,570.32/9,855.33 = 2,187.82/x
  3. Step 3: Cross multiply
    6,570.32x = 9,855.33 × 2,187.82
  4. Step 4: Simplify right side
    6,570.32x = 21,561,688.08
  5. Step 5: Solve for x
    x = 21,561,688.08/6,570.32
  6. Step 6: Final answer
    x = 3,281.68

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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.