Home / 5,422.93-7,484.88-3,436.21

Finding the Fourth Proportional to 5,422.93, 7,484.88 and 3,436.21

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Solution

The fourth proportional to 5,422.93, 7,484.88 and 3,436.21 is: 4,742.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,422.93 : 7,484.88 = 3,436.21 : x
  2. Step 2: Convert to fraction form
    5,422.93/7,484.88 = 3,436.21/x
  3. Step 3: Cross multiply
    5,422.93x = 7,484.88 × 3,436.21
  4. Step 4: Simplify right side
    5,422.93x = 25,719,619.50
  5. Step 5: Solve for x
    x = 25,719,619.50/5,422.93
  6. Step 6: Final answer
    x = 4,742.75

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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.