Home / 5,422.34-7,480.35-3,184.18

Finding the Fourth Proportional to 5,422.34, 7,480.35 and 3,184.18

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Solution

The fourth proportional to 5,422.34, 7,480.35 and 3,184.18 is: 4,392.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,422.34 : 7,480.35 = 3,184.18 : x
  2. Step 2: Convert to fraction form
    5,422.34/7,480.35 = 3,184.18/x
  3. Step 3: Cross multiply
    5,422.34x = 7,480.35 × 3,184.18
  4. Step 4: Simplify right side
    5,422.34x = 23,818,762.16
  5. Step 5: Solve for x
    x = 23,818,762.16/5,422.34
  6. Step 6: Final answer
    x = 4,392.71

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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.