Home / 4,952.25-7,428.39-1,490.31

Finding the Fourth Proportional to 4,952.25, 7,428.39 and 1,490.31

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Solution

The fourth proportional to 4,952.25, 7,428.39 and 1,490.31 is: 2,235.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,952.25 : 7,428.39 = 1,490.31 : x
  2. Step 2: Convert to fraction form
    4,952.25/7,428.39 = 1,490.31/x
  3. Step 3: Cross multiply
    4,952.25x = 7,428.39 × 1,490.31
  4. Step 4: Simplify right side
    4,952.25x = 11,070,603.90
  5. Step 5: Solve for x
    x = 11,070,603.90/4,952.25
  6. Step 6: Final answer
    x = 2,235.47

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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.