Home / 4,012.61-5,538.65-2,521.81

Finding the Fourth Proportional to 4,012.61, 5,538.65 and 2,521.81

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Solution

The fourth proportional to 4,012.61, 5,538.65 and 2,521.81 is: 3,480.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,012.61 : 5,538.65 = 2,521.81 : x
  2. Step 2: Convert to fraction form
    4,012.61/5,538.65 = 2,521.81/x
  3. Step 3: Cross multiply
    4,012.61x = 5,538.65 × 2,521.81
  4. Step 4: Simplify right side
    4,012.61x = 13,967,422.97
  5. Step 5: Solve for x
    x = 13,967,422.97/4,012.61
  6. Step 6: Final answer
    x = 3,480.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.