Home / 5,742.30-7,923.80-3,504.74

Finding the Fourth Proportional to 5,742.30, 7,923.80 and 3,504.74

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Solution

The fourth proportional to 5,742.30, 7,923.80 and 3,504.74 is: 4,836.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,742.30 : 7,923.80 = 3,504.74 : x
  2. Step 2: Convert to fraction form
    5,742.30/7,923.80 = 3,504.74/x
  3. Step 3: Cross multiply
    5,742.30x = 7,923.80 × 3,504.74
  4. Step 4: Simplify right side
    5,742.30x = 27,770,827.95
  5. Step 5: Solve for x
    x = 27,770,827.95/5,742.30
  6. Step 6: Final answer
    x = 4,836.18

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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.