Home / 4,710.90-7,067.16-1,939.08

Finding the Fourth Proportional to 4,710.90, 7,067.16 and 1,939.08

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Solution

The fourth proportional to 4,710.90, 7,067.16 and 1,939.08 is: 2,908.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,710.90 : 7,067.16 = 1,939.08 : x
  2. Step 2: Convert to fraction form
    4,710.90/7,067.16 = 1,939.08/x
  3. Step 3: Cross multiply
    4,710.90x = 7,067.16 × 1,939.08
  4. Step 4: Simplify right side
    4,710.90x = 13,703,788.61
  5. Step 5: Solve for x
    x = 13,703,788.61/4,710.90
  6. Step 6: Final answer
    x = 2,908.95

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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.