Home / 8,681.95-13,020.56-2,441.57

Finding the Fourth Proportional to 8,681.95, 13,020.56 and 2,441.57

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Solution

The fourth proportional to 8,681.95, 13,020.56 and 2,441.57 is: 3,661.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,681.95 : 13,020.56 = 2,441.57 : x
  2. Step 2: Convert to fraction form
    8,681.95/13,020.56 = 2,441.57/x
  3. Step 3: Cross multiply
    8,681.95x = 13,020.56 × 2,441.57
  4. Step 4: Simplify right side
    8,681.95x = 31,790,596.47
  5. Step 5: Solve for x
    x = 31,790,596.47/8,681.95
  6. Step 6: Final answer
    x = 3,661.69

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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.