Home / 5,454.16-8,181.51-1,559.14

Finding the Fourth Proportional to 5,454.16, 8,181.51 and 1,559.14

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Solution

The fourth proportional to 5,454.16, 8,181.51 and 1,559.14 is: 2,338.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,454.16 : 8,181.51 = 1,559.14 : x
  2. Step 2: Convert to fraction form
    5,454.16/8,181.51 = 1,559.14/x
  3. Step 3: Cross multiply
    5,454.16x = 8,181.51 × 1,559.14
  4. Step 4: Simplify right side
    5,454.16x = 12,756,119.50
  5. Step 5: Solve for x
    x = 12,756,119.50/5,454.16
  6. Step 6: Final answer
    x = 2,338.79

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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.