Home / 5,422.41-8,129.30-2,346.57

Finding the Fourth Proportional to 5,422.41, 8,129.30 and 2,346.57

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Solution

The fourth proportional to 5,422.41, 8,129.30 and 2,346.57 is: 3,517.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,422.41 : 8,129.30 = 2,346.57 : x
  2. Step 2: Convert to fraction form
    5,422.41/8,129.30 = 2,346.57/x
  3. Step 3: Cross multiply
    5,422.41x = 8,129.30 × 2,346.57
  4. Step 4: Simplify right side
    5,422.41x = 19,075,959.77
  5. Step 5: Solve for x
    x = 19,075,959.77/5,422.41
  6. Step 6: Final answer
    x = 3,517.99

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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.