Home / 4,640.04-6,955.14-2,172.78

Finding the Fourth Proportional to 4,640.04, 6,955.14 and 2,172.78

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Solution

The fourth proportional to 4,640.04, 6,955.14 and 2,172.78 is: 3,256.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,640.04 : 6,955.14 = 2,172.78 : x
  2. Step 2: Convert to fraction form
    4,640.04/6,955.14 = 2,172.78/x
  3. Step 3: Cross multiply
    4,640.04x = 6,955.14 × 2,172.78
  4. Step 4: Simplify right side
    4,640.04x = 15,111,989.09
  5. Step 5: Solve for x
    x = 15,111,989.09/4,640.04
  6. Step 6: Final answer
    x = 3,256.87

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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.