Home / 4,740.87-6,540.57-2,969.40

Finding the Fourth Proportional to 4,740.87, 6,540.57 and 2,969.40

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Solution

The fourth proportional to 4,740.87, 6,540.57 and 2,969.40 is: 4,096.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,740.87 : 6,540.57 = 2,969.40 : x
  2. Step 2: Convert to fraction form
    4,740.87/6,540.57 = 2,969.40/x
  3. Step 3: Cross multiply
    4,740.87x = 6,540.57 × 2,969.40
  4. Step 4: Simplify right side
    4,740.87x = 19,421,568.56
  5. Step 5: Solve for x
    x = 19,421,568.56/4,740.87
  6. Step 6: Final answer
    x = 4,096.63

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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.