Home / 5,435.12-8,151.74-2,513.18

Finding the Fourth Proportional to 5,435.12, 8,151.74 and 2,513.18

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Solution

The fourth proportional to 5,435.12, 8,151.74 and 2,513.18 is: 3,769.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,435.12 : 8,151.74 = 2,513.18 : x
  2. Step 2: Convert to fraction form
    5,435.12/8,151.74 = 2,513.18/x
  3. Step 3: Cross multiply
    5,435.12x = 8,151.74 × 2,513.18
  4. Step 4: Simplify right side
    5,435.12x = 20,486,777.37
  5. Step 5: Solve for x
    x = 20,486,777.37/5,435.12
  6. Step 6: Final answer
    x = 3,769.33

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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.