Home / 4,946.77-7,421.72-2,175.78

Finding the Fourth Proportional to 4,946.77, 7,421.72 and 2,175.78

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Solution

The fourth proportional to 4,946.77, 7,421.72 and 2,175.78 is: 3,264.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,946.77 : 7,421.72 = 2,175.78 : x
  2. Step 2: Convert to fraction form
    4,946.77/7,421.72 = 2,175.78/x
  3. Step 3: Cross multiply
    4,946.77x = 7,421.72 × 2,175.78
  4. Step 4: Simplify right side
    4,946.77x = 16,148,029.94
  5. Step 5: Solve for x
    x = 16,148,029.94/4,946.77
  6. Step 6: Final answer
    x = 3,264.36

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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.