Home / 4,905.38-7,359.48-1,442.63

Finding the Fourth Proportional to 4,905.38, 7,359.48 and 1,442.63

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Solution

The fourth proportional to 4,905.38, 7,359.48 and 1,442.63 is: 2,164.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,905.38 : 7,359.48 = 1,442.63 : x
  2. Step 2: Convert to fraction form
    4,905.38/7,359.48 = 1,442.63/x
  3. Step 3: Cross multiply
    4,905.38x = 7,359.48 × 1,442.63
  4. Step 4: Simplify right side
    4,905.38x = 10,616,969.84
  5. Step 5: Solve for x
    x = 10,616,969.84/4,905.38
  6. Step 6: Final answer
    x = 2,164.35

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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.