Home / 4,319.78-5,963.78-2,905.52

Finding the Fourth Proportional to 4,319.78, 5,963.78 and 2,905.52

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Solution

The fourth proportional to 4,319.78, 5,963.78 and 2,905.52 is: 4,011.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,319.78 : 5,963.78 = 2,905.52 : x
  2. Step 2: Convert to fraction form
    4,319.78/5,963.78 = 2,905.52/x
  3. Step 3: Cross multiply
    4,319.78x = 5,963.78 × 2,905.52
  4. Step 4: Simplify right side
    4,319.78x = 17,327,882.07
  5. Step 5: Solve for x
    x = 17,327,882.07/4,319.78
  6. Step 6: Final answer
    x = 4,011.29

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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.