Home / 4,815.70-6,646.11-2,926.84

Finding the Fourth Proportional to 4,815.70, 6,646.11 and 2,926.84

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Solution

The fourth proportional to 4,815.70, 6,646.11 and 2,926.84 is: 4,039.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,815.70 : 6,646.11 = 2,926.84 : x
  2. Step 2: Convert to fraction form
    4,815.70/6,646.11 = 2,926.84/x
  3. Step 3: Cross multiply
    4,815.70x = 6,646.11 × 2,926.84
  4. Step 4: Simplify right side
    4,815.70x = 19,452,100.59
  5. Step 5: Solve for x
    x = 19,452,100.59/4,815.70
  6. Step 6: Final answer
    x = 4,039.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.