Home / 6,571.12-9,854.56-2,187.40

Finding the Fourth Proportional to 6,571.12, 9,854.56 and 2,187.40

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Solution

The fourth proportional to 6,571.12, 9,854.56 and 2,187.40 is: 3,280.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,571.12 : 9,854.56 = 2,187.40 : x
  2. Step 2: Convert to fraction form
    6,571.12/9,854.56 = 2,187.40/x
  3. Step 3: Cross multiply
    6,571.12x = 9,854.56 × 2,187.40
  4. Step 4: Simplify right side
    6,571.12x = 21,555,804.33
  5. Step 5: Solve for x
    x = 21,555,804.33/6,571.12
  6. Step 6: Final answer
    x = 3,280.39

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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.