Home / 4,256.13-6,384.78-2,177.40

Finding the Fourth Proportional to 4,256.13, 6,384.78 and 2,177.40

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Solution

The fourth proportional to 4,256.13, 6,384.78 and 2,177.40 is: 3,266.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,256.13 : 6,384.78 = 2,177.40 : x
  2. Step 2: Convert to fraction form
    4,256.13/6,384.78 = 2,177.40/x
  3. Step 3: Cross multiply
    4,256.13x = 6,384.78 × 2,177.40
  4. Step 4: Simplify right side
    4,256.13x = 13,902,219.97
  5. Step 5: Solve for x
    x = 13,902,219.97/4,256.13
  6. Step 6: Final answer
    x = 3,266.40

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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.