Home / 6,140.89-8,474.43-3,346.39

Finding the Fourth Proportional to 6,140.89, 8,474.43 and 3,346.39

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Solution

The fourth proportional to 6,140.89, 8,474.43 and 3,346.39 is: 4,618.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,140.89 : 8,474.43 = 3,346.39 : x
  2. Step 2: Convert to fraction form
    6,140.89/8,474.43 = 3,346.39/x
  3. Step 3: Cross multiply
    6,140.89x = 8,474.43 × 3,346.39
  4. Step 4: Simplify right side
    6,140.89x = 28,358,747.81
  5. Step 5: Solve for x
    x = 28,358,747.81/6,140.89
  6. Step 6: Final answer
    x = 4,618.02

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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.