Home / 4,740.75-6,543.60-3,173.40

Finding the Fourth Proportional to 4,740.75, 6,543.60 and 3,173.40

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Solution

The fourth proportional to 4,740.75, 6,543.60 and 3,173.40 is: 4,380.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,740.75 : 6,543.60 = 3,173.40 : x
  2. Step 2: Convert to fraction form
    4,740.75/6,543.60 = 3,173.40/x
  3. Step 3: Cross multiply
    4,740.75x = 6,543.60 × 3,173.40
  4. Step 4: Simplify right side
    4,740.75x = 20,765,460.24
  5. Step 5: Solve for x
    x = 20,765,460.24/4,740.75
  6. Step 6: Final answer
    x = 4,380.21

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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.