Home / 4,747.20-6,543.36-3,419.04

Finding the Fourth Proportional to 4,747.20, 6,543.36 and 3,419.04

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Solution

The fourth proportional to 4,747.20, 6,543.36 and 3,419.04 is: 4,712.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,747.20 : 6,543.36 = 3,419.04 : x
  2. Step 2: Convert to fraction form
    4,747.20/6,543.36 = 3,419.04/x
  3. Step 3: Cross multiply
    4,747.20x = 6,543.36 × 3,419.04
  4. Step 4: Simplify right side
    4,747.20x = 22,372,009.57
  5. Step 5: Solve for x
    x = 22,372,009.57/4,747.20
  6. Step 6: Final answer
    x = 4,712.67

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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.