Home / 5,445.21-8,168.54-1,746.21

Finding the Fourth Proportional to 5,445.21, 8,168.54 and 1,746.21

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Solution

The fourth proportional to 5,445.21, 8,168.54 and 1,746.21 is: 2,619.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,445.21 : 8,168.54 = 1,746.21 : x
  2. Step 2: Convert to fraction form
    5,445.21/8,168.54 = 1,746.21/x
  3. Step 3: Cross multiply
    5,445.21x = 8,168.54 × 1,746.21
  4. Step 4: Simplify right side
    5,445.21x = 14,263,986.23
  5. Step 5: Solve for x
    x = 14,263,986.23/5,445.21
  6. Step 6: Final answer
    x = 2,619.55

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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.