Home / 5,455.08-8,182.74-1,756.20

Finding the Fourth Proportional to 5,455.08, 8,182.74 and 1,756.20

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Solution

The fourth proportional to 5,455.08, 8,182.74 and 1,756.20 is: 2,634.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,455.08 : 8,182.74 = 1,756.20 : x
  2. Step 2: Convert to fraction form
    5,455.08/8,182.74 = 1,756.20/x
  3. Step 3: Cross multiply
    5,455.08x = 8,182.74 × 1,756.20
  4. Step 4: Simplify right side
    5,455.08x = 14,370,527.99
  5. Step 5: Solve for x
    x = 14,370,527.99/5,455.08
  6. Step 6: Final answer
    x = 2,634.34

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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.