Home / 4,382.39-6,570.50-2,189.57

Finding the Fourth Proportional to 4,382.39, 6,570.50 and 2,189.57

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Solution

The fourth proportional to 4,382.39, 6,570.50 and 2,189.57 is: 3,282.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,382.39 : 6,570.50 = 2,189.57 : x
  2. Step 2: Convert to fraction form
    4,382.39/6,570.50 = 2,189.57/x
  3. Step 3: Cross multiply
    4,382.39x = 6,570.50 × 2,189.57
  4. Step 4: Simplify right side
    4,382.39x = 14,386,569.69
  5. Step 5: Solve for x
    x = 14,386,569.69/4,382.39
  6. Step 6: Final answer
    x = 3,282.81

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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.