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Finding the Fourth Proportional to 4,710.51, 7,067.04 and 1,423.71

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Solution

The fourth proportional to 4,710.51, 7,067.04 and 1,423.71 is: 2,135.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,710.51 : 7,067.04 = 1,423.71 : x
  2. Step 2: Convert to fraction form
    4,710.51/7,067.04 = 1,423.71/x
  3. Step 3: Cross multiply
    4,710.51x = 7,067.04 × 1,423.71
  4. Step 4: Simplify right side
    4,710.51x = 10,061,415.52
  5. Step 5: Solve for x
    x = 10,061,415.52/4,710.51
  6. Step 6: Final answer
    x = 2,135.95

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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.