Home / 5,518.14-7,615.02-3,160.29

Finding the Fourth Proportional to 5,518.14, 7,615.02 and 3,160.29

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Solution

The fourth proportional to 5,518.14, 7,615.02 and 3,160.29 is: 4,361.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,518.14 : 7,615.02 = 3,160.29 : x
  2. Step 2: Convert to fraction form
    5,518.14/7,615.02 = 3,160.29/x
  3. Step 3: Cross multiply
    5,518.14x = 7,615.02 × 3,160.29
  4. Step 4: Simplify right side
    5,518.14x = 24,065,671.56
  5. Step 5: Solve for x
    x = 24,065,671.56/5,518.14
  6. Step 6: Final answer
    x = 4,361.19

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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.